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Finding the Fourth Proportional to 110,658, 152,709.12 and 60,358.08

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Solution

The fourth proportional to 110,658, 152,709.12 and 60,358.08 is: 83,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,658 : 152,709.12 = 60,358.08 : x
  2. Step 2: Convert to fraction form
    110,658/152,709.12 = 60,358.08/x
  3. Step 3: Cross multiply
    110,658x = 152,709.12 × 60,358.08
  4. Step 4: Simplify right side
    110,658x = 9,217,229,281.69
  5. Step 5: Solve for x
    x = 9,217,229,281.69/110,658
  6. Step 6: Final answer
    x = 83,294.74

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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.