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Finding the Fourth Proportional to 268,165.62, 370,070.64 and 147,308.22

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Solution

The fourth proportional to 268,165.62, 370,070.64 and 147,308.22 is: 203,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,165.62 : 370,070.64 = 147,308.22 : x
  2. Step 2: Convert to fraction form
    268,165.62/370,070.64 = 147,308.22/x
  3. Step 3: Cross multiply
    268,165.62x = 370,070.64 × 147,308.22
  4. Step 4: Simplify right side
    268,165.62x = 54,514,447,252.66
  5. Step 5: Solve for x
    x = 54,514,447,252.66/268,165.62
  6. Step 6: Final answer
    x = 203,286.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.