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Finding the Fourth Proportional to 144,032.80, 216,081.60 and 44,197.60

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Solution

The fourth proportional to 144,032.80, 216,081.60 and 44,197.60 is: 66,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,032.80 : 216,081.60 = 44,197.60 : x
  2. Step 2: Convert to fraction form
    144,032.80/216,081.60 = 44,197.60/x
  3. Step 3: Cross multiply
    144,032.80x = 216,081.60 × 44,197.60
  4. Step 4: Simplify right side
    144,032.80x = 9,550,288,124.16
  5. Step 5: Solve for x
    x = 9,550,288,124.16/144,032.80
  6. Step 6: Final answer
    x = 66,306.34

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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.