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Finding the Fourth Proportional to 144,614.70, 216,922.05 and 93,876.30

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Solution

The fourth proportional to 144,614.70, 216,922.05 and 93,876.30 is: 140,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,614.70 : 216,922.05 = 93,876.30 : x
  2. Step 2: Convert to fraction form
    144,614.70/216,922.05 = 93,876.30/x
  3. Step 3: Cross multiply
    144,614.70x = 216,922.05 × 93,876.30
  4. Step 4: Simplify right side
    144,614.70x = 20,363,839,442.42
  5. Step 5: Solve for x
    x = 20,363,839,442.42/144,614.70
  6. Step 6: Final answer
    x = 140,814.45

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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.