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Finding the Fourth Proportional to 110,491.98, 152,473.96 and 64,555.86

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Solution

The fourth proportional to 110,491.98, 152,473.96 and 64,555.86 is: 89,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,491.98 : 152,473.96 = 64,555.86 : x
  2. Step 2: Convert to fraction form
    110,491.98/152,473.96 = 64,555.86/x
  3. Step 3: Cross multiply
    110,491.98x = 152,473.96 × 64,555.86
  4. Step 4: Simplify right side
    110,491.98x = 9,843,087,615.41
  5. Step 5: Solve for x
    x = 9,843,087,615.41/110,491.98
  6. Step 6: Final answer
    x = 89,084.18

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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.