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Finding the Fourth Proportional to 506,117.80, 759,176.70 and 132,140.80

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Solution

The fourth proportional to 506,117.80, 759,176.70 and 132,140.80 is: 198,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,117.80 : 759,176.70 = 132,140.80 : x
  2. Step 2: Convert to fraction form
    506,117.80/759,176.70 = 132,140.80/x
  3. Step 3: Cross multiply
    506,117.80x = 759,176.70 × 132,140.80
  4. Step 4: Simplify right side
    506,117.80x = 100,318,216,479.36
  5. Step 5: Solve for x
    x = 100,318,216,479.36/506,117.80
  6. Step 6: Final answer
    x = 198,211.20

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Similar ratio
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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.