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Finding the Fourth Proportional to 96,445.80, 144,647.10 and 63,397.80

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Solution

The fourth proportional to 96,445.80, 144,647.10 and 63,397.80 is: 95,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,445.80 : 144,647.10 = 63,397.80 : x
  2. Step 2: Convert to fraction form
    96,445.80/144,647.10 = 63,397.80/x
  3. Step 3: Cross multiply
    96,445.80x = 144,647.10 × 63,397.80
  4. Step 4: Simplify right side
    96,445.80x = 9,170,307,916.38
  5. Step 5: Solve for x
    x = 9,170,307,916.38/96,445.80
  6. Step 6: Final answer
    x = 95,082.50

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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.