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Finding the Fourth Proportional to 110,437.76, 152,405.88 and 60,136.76

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Solution

The fourth proportional to 110,437.76, 152,405.88 and 60,136.76 is: 82,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,437.76 : 152,405.88 = 60,136.76 : x
  2. Step 2: Convert to fraction form
    110,437.76/152,405.88 = 60,136.76/x
  3. Step 3: Cross multiply
    110,437.76x = 152,405.88 × 60,136.76
  4. Step 4: Simplify right side
    110,437.76x = 9,165,195,828.15
  5. Step 5: Solve for x
    x = 9,165,195,828.15/110,437.76
  6. Step 6: Final answer
    x = 82,989.69

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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.