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Finding the Fourth Proportional to 181,963.65, 251,128.32 and 101,404.29

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Solution

The fourth proportional to 181,963.65, 251,128.32 and 101,404.29 is: 139,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,963.65 : 251,128.32 = 101,404.29 : x
  2. Step 2: Convert to fraction form
    181,963.65/251,128.32 = 101,404.29/x
  3. Step 3: Cross multiply
    181,963.65x = 251,128.32 × 101,404.29
  4. Step 4: Simplify right side
    181,963.65x = 25,465,488,988.49
  5. Step 5: Solve for x
    x = 25,465,488,988.49/181,963.65
  6. Step 6: Final answer
    x = 139,948.22

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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.