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Finding the Fourth Proportional to 151,798.40, 227,551.80 and 118,045.70

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Solution

The fourth proportional to 151,798.40, 227,551.80 and 118,045.70 is: 176,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,798.40 : 227,551.80 = 118,045.70 : x
  2. Step 2: Convert to fraction form
    151,798.40/227,551.80 = 118,045.70/x
  3. Step 3: Cross multiply
    151,798.40x = 227,551.80 × 118,045.70
  4. Step 4: Simplify right side
    151,798.40x = 26,861,511,517.26
  5. Step 5: Solve for x
    x = 26,861,511,517.26/151,798.40
  6. Step 6: Final answer
    x = 176,955.17

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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.