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Finding the Fourth Proportional to 55,602,182.80, 83,411,147.40 and 17,259,698.80

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Solution

The fourth proportional to 55,602,182.80, 83,411,147.40 and 17,259,698.80 is: 25,891,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602,182.80 : 83,411,147.40 = 17,259,698.80 : x
  2. Step 2: Convert to fraction form
    55,602,182.80/83,411,147.40 = 17,259,698.80/x
  3. Step 3: Cross multiply
    55,602,182.80x = 83,411,147.40 × 17,259,698.80
  4. Step 4: Simplify right side
    55,602,182.80x = 1,439,651,280,686,403.25
  5. Step 5: Solve for x
    x = 1,439,651,280,686,403.25/55,602,182.80
  6. Step 6: Final answer
    x = 25,891,992.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.