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Finding the Fourth Proportional to 106,864.68, 147,472.15 and 58,466.15

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Solution

The fourth proportional to 106,864.68, 147,472.15 and 58,466.15 is: 80,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,864.68 : 147,472.15 = 58,466.15 : x
  2. Step 2: Convert to fraction form
    106,864.68/147,472.15 = 58,466.15/x
  3. Step 3: Cross multiply
    106,864.68x = 147,472.15 × 58,466.15
  4. Step 4: Simplify right side
    106,864.68x = 8,622,129,100.15
  5. Step 5: Solve for x
    x = 8,622,129,100.15/106,864.68
  6. Step 6: Final answer
    x = 80,682.68

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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.