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Finding the Fourth Proportional to 144,526.60, 216,854.70 and 65,600.20

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Solution

The fourth proportional to 144,526.60, 216,854.70 and 65,600.20 is: 98,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,526.60 : 216,854.70 = 65,600.20 : x
  2. Step 2: Convert to fraction form
    144,526.60/216,854.70 = 65,600.20/x
  3. Step 3: Cross multiply
    144,526.60x = 216,854.70 × 65,600.20
  4. Step 4: Simplify right side
    144,526.60x = 14,225,711,690.94
  5. Step 5: Solve for x
    x = 14,225,711,690.94/144,526.60
  6. Step 6: Final answer
    x = 98,429.71

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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.