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Finding the Fourth Proportional to 157,082.80, 235,624.20 and 146,714.80

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Solution

The fourth proportional to 157,082.80, 235,624.20 and 146,714.80 is: 220,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,082.80 : 235,624.20 = 146,714.80 : x
  2. Step 2: Convert to fraction form
    157,082.80/235,624.20 = 146,714.80/x
  3. Step 3: Cross multiply
    157,082.80x = 235,624.20 × 146,714.80
  4. Step 4: Simplify right side
    157,082.80x = 34,569,557,378.16
  5. Step 5: Solve for x
    x = 34,569,557,378.16/157,082.80
  6. Step 6: Final answer
    x = 220,072.20

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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.