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Finding the Fourth Proportional to 96,614.10, 144,921.15 and 65,121.30

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Solution

The fourth proportional to 96,614.10, 144,921.15 and 65,121.30 is: 97,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,614.10 : 144,921.15 = 65,121.30 : x
  2. Step 2: Convert to fraction form
    96,614.10/144,921.15 = 65,121.30/x
  3. Step 3: Cross multiply
    96,614.10x = 144,921.15 × 65,121.30
  4. Step 4: Simplify right side
    96,614.10x = 9,437,453,685.50
  5. Step 5: Solve for x
    x = 9,437,453,685.50/96,614.10
  6. Step 6: Final answer
    x = 97,681.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.