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Finding the Fourth Proportional to 93,995.88, 129,720.24 and 62,108.88

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Solution

The fourth proportional to 93,995.88, 129,720.24 and 62,108.88 is: 85,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,995.88 : 129,720.24 = 62,108.88 : x
  2. Step 2: Convert to fraction form
    93,995.88/129,720.24 = 62,108.88/x
  3. Step 3: Cross multiply
    93,995.88x = 129,720.24 × 62,108.88
  4. Step 4: Simplify right side
    93,995.88x = 8,056,778,819.73
  5. Step 5: Solve for x
    x = 8,056,778,819.73/93,995.88
  6. Step 6: Final answer
    x = 85,714.17

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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.