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Finding the Fourth Proportional to 154,898.70, 232,002.45 and 127,250.70

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Solution

The fourth proportional to 154,898.70, 232,002.45 and 127,250.70 is: 190,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,898.70 : 232,002.45 = 127,250.70 : x
  2. Step 2: Convert to fraction form
    154,898.70/232,002.45 = 127,250.70/x
  3. Step 3: Cross multiply
    154,898.70x = 232,002.45 × 127,250.70
  4. Step 4: Simplify right side
    154,898.70x = 29,522,474,164.22
  5. Step 5: Solve for x
    x = 29,522,474,164.22/154,898.70
  6. Step 6: Final answer
    x = 190,592.14

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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.