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Finding the Fourth Proportional to 93,994.68, 129,758.13 and 63,375.16

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Solution

The fourth proportional to 93,994.68, 129,758.13 and 63,375.16 is: 87,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,994.68 : 129,758.13 = 63,375.16 : x
  2. Step 2: Convert to fraction form
    93,994.68/129,758.13 = 63,375.16/x
  3. Step 3: Cross multiply
    93,994.68x = 129,758.13 × 63,375.16
  4. Step 4: Simplify right side
    93,994.68x = 8,223,441,990.71
  5. Step 5: Solve for x
    x = 8,223,441,990.71/93,994.68
  6. Step 6: Final answer
    x = 87,488.38

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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.