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Finding the Fourth Proportional to 172,254.04, 237,729.27 and 100,658.14

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Solution

The fourth proportional to 172,254.04, 237,729.27 and 100,658.14 is: 138,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,254.04 : 237,729.27 = 100,658.14 : x
  2. Step 2: Convert to fraction form
    172,254.04/237,729.27 = 100,658.14/x
  3. Step 3: Cross multiply
    172,254.04x = 237,729.27 × 100,658.14
  4. Step 4: Simplify right side
    172,254.04x = 23,929,386,141.76
  5. Step 5: Solve for x
    x = 23,929,386,141.76/172,254.04
  6. Step 6: Final answer
    x = 138,919.16

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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.