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Finding the Fourth Proportional to 172,802.77, 238,438.96 and 96,305.17

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Solution

The fourth proportional to 172,802.77, 238,438.96 and 96,305.17 is: 132,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,802.77 : 238,438.96 = 96,305.17 : x
  2. Step 2: Convert to fraction form
    172,802.77/238,438.96 = 96,305.17/x
  3. Step 3: Cross multiply
    172,802.77x = 238,438.96 × 96,305.17
  4. Step 4: Simplify right side
    172,802.77x = 22,962,904,577.42
  5. Step 5: Solve for x
    x = 22,962,904,577.42/172,802.77
  6. Step 6: Final answer
    x = 132,885.05

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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.