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Finding the Fourth Proportional to 176,751.54, 265,127.31 and 145,521.18

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Solution

The fourth proportional to 176,751.54, 265,127.31 and 145,521.18 is: 218,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,751.54 : 265,127.31 = 145,521.18 : x
  2. Step 2: Convert to fraction form
    176,751.54/265,127.31 = 145,521.18/x
  3. Step 3: Cross multiply
    176,751.54x = 265,127.31 × 145,521.18
  4. Step 4: Simplify right side
    176,751.54x = 38,581,639,001.43
  5. Step 5: Solve for x
    x = 38,581,639,001.43/176,751.54
  6. Step 6: Final answer
    x = 218,281.77

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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.