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Finding the Fourth Proportional to 93,966.82, 129,680.16 and 62,079.82

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Solution

The fourth proportional to 93,966.82, 129,680.16 and 62,079.82 is: 85,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,966.82 : 129,680.16 = 62,079.82 : x
  2. Step 2: Convert to fraction form
    93,966.82/129,680.16 = 62,079.82/x
  3. Step 3: Cross multiply
    93,966.82x = 129,680.16 × 62,079.82
  4. Step 4: Simplify right side
    93,966.82x = 8,050,520,990.37
  5. Step 5: Solve for x
    x = 8,050,520,990.37/93,966.82
  6. Step 6: Final answer
    x = 85,674.08

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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.