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Finding the Fourth Proportional to 110,466.46, 152,463.48 and 65,141.70

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Solution

The fourth proportional to 110,466.46, 152,463.48 and 65,141.70 is: 89,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,466.46 : 152,463.48 = 65,141.70 : x
  2. Step 2: Convert to fraction form
    110,466.46/152,463.48 = 65,141.70/x
  3. Step 3: Cross multiply
    110,466.46x = 152,463.48 × 65,141.70
  4. Step 4: Simplify right side
    110,466.46x = 9,931,730,275.12
  5. Step 5: Solve for x
    x = 9,931,730,275.12/110,466.46
  6. Step 6: Final answer
    x = 89,907.20

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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.