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Finding the Fourth Proportional to 144,243.08, 216,385.10 and 44,411.57

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Solution

The fourth proportional to 144,243.08, 216,385.10 and 44,411.57 is: 66,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,243.08 : 216,385.10 = 44,411.57 : x
  2. Step 2: Convert to fraction form
    144,243.08/216,385.10 = 44,411.57/x
  3. Step 3: Cross multiply
    144,243.08x = 216,385.10 × 44,411.57
  4. Step 4: Simplify right side
    144,243.08x = 9,610,001,793.55
  5. Step 5: Solve for x
    x = 9,610,001,793.55/144,243.08
  6. Step 6: Final answer
    x = 66,623.66

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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.