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Finding the Fourth Proportional to 193,955,284.80, 272,217,643.20 and 193,955,284.80

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Solution

The fourth proportional to 193,955,284.80, 272,217,643.20 and 193,955,284.80 is: 272,217,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,955,284.80 : 272,217,643.20 = 193,955,284.80 : x
  2. Step 2: Convert to fraction form
    193,955,284.80/272,217,643.20 = 193,955,284.80/x
  3. Step 3: Cross multiply
    193,955,284.80x = 272,217,643.20 × 193,955,284.80
  4. Step 4: Simplify right side
    193,955,284.80x = 52,798,050,514,440,784
  5. Step 5: Solve for x
    x = 52,798,050,514,440,784/193,955,284.80
  6. Step 6: Final answer
    x = 272,217,643.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.