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Finding the Fourth Proportional to 151,772.40, 227,512.80 and 118,019.70

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Solution

The fourth proportional to 151,772.40, 227,512.80 and 118,019.70 is: 176,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,772.40 : 227,512.80 = 118,019.70 : x
  2. Step 2: Convert to fraction form
    151,772.40/227,512.80 = 118,019.70/x
  3. Step 3: Cross multiply
    151,772.40x = 227,512.80 × 118,019.70
  4. Step 4: Simplify right side
    151,772.40x = 26,850,992,402.16
  5. Step 5: Solve for x
    x = 26,850,992,402.16/151,772.40
  6. Step 6: Final answer
    x = 176,916.17

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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.