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Finding the Fourth Proportional to 144,280.68, 216,444.30 and 44,440.86

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Solution

The fourth proportional to 144,280.68, 216,444.30 and 44,440.86 is: 66,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,280.68 : 216,444.30 = 44,440.86 : x
  2. Step 2: Convert to fraction form
    144,280.68/216,444.30 = 44,440.86/x
  3. Step 3: Cross multiply
    144,280.68x = 216,444.30 × 44,440.86
  4. Step 4: Simplify right side
    144,280.68x = 9,618,970,834.10
  5. Step 5: Solve for x
    x = 9,618,970,834.10/144,280.68
  6. Step 6: Final answer
    x = 66,668.46

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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.