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Finding the Fourth Proportional to 172,757.47, 238,323.86 and 101,093.53

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Solution

The fourth proportional to 172,757.47, 238,323.86 and 101,093.53 is: 139,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,757.47 : 238,323.86 = 101,093.53 : x
  2. Step 2: Convert to fraction form
    172,757.47/238,323.86 = 101,093.53/x
  3. Step 3: Cross multiply
    172,757.47x = 238,323.86 × 101,093.53
  4. Step 4: Simplify right side
    172,757.47x = 24,092,999,785.16
  5. Step 5: Solve for x
    x = 24,092,999,785.16/172,757.47
  6. Step 6: Final answer
    x = 139,461.41

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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.