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Finding the Fourth Proportional to 151,347.40, 227,042.70 and 51,490.60

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Solution

The fourth proportional to 151,347.40, 227,042.70 and 51,490.60 is: 77,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,347.40 : 227,042.70 = 51,490.60 : x
  2. Step 2: Convert to fraction form
    151,347.40/227,042.70 = 51,490.60/x
  3. Step 3: Cross multiply
    151,347.40x = 227,042.70 × 51,490.60
  4. Step 4: Simplify right side
    151,347.40x = 11,690,564,848.62
  5. Step 5: Solve for x
    x = 11,690,564,848.62/151,347.40
  6. Step 6: Final answer
    x = 77,243.25

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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.