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Finding the Fourth Proportional to 97,712.70, 146,569.05 and 58,314.30

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Solution

The fourth proportional to 97,712.70, 146,569.05 and 58,314.30 is: 87,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.70 : 146,569.05 = 58,314.30 : x
  2. Step 2: Convert to fraction form
    97,712.70/146,569.05 = 58,314.30/x
  3. Step 3: Cross multiply
    97,712.70x = 146,569.05 × 58,314.30
  4. Step 4: Simplify right side
    97,712.70x = 8,547,071,552.42
  5. Step 5: Solve for x
    x = 8,547,071,552.42/97,712.70
  6. Step 6: Final answer
    x = 87,471.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.