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Finding the Fourth Proportional to 93,562.58, 129,114.84 and 51,120.20

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Solution

The fourth proportional to 93,562.58, 129,114.84 and 51,120.20 is: 70,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,562.58 : 129,114.84 = 51,120.20 : x
  2. Step 2: Convert to fraction form
    93,562.58/129,114.84 = 51,120.20/x
  3. Step 3: Cross multiply
    93,562.58x = 129,114.84 × 51,120.20
  4. Step 4: Simplify right side
    93,562.58x = 6,600,376,443.77
  5. Step 5: Solve for x
    x = 6,600,376,443.77/93,562.58
  6. Step 6: Final answer
    x = 70,545.05

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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.