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Finding the Fourth Proportional to 176,751.90, 265,127.88 and 145,521.54

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Solution

The fourth proportional to 176,751.90, 265,127.88 and 145,521.54 is: 218,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,751.90 : 265,127.88 = 145,521.54 : x
  2. Step 2: Convert to fraction form
    176,751.90/265,127.88 = 145,521.54/x
  3. Step 3: Cross multiply
    176,751.90x = 265,127.88 × 145,521.54
  4. Step 4: Simplify right side
    176,751.90x = 38,581,817,394.54
  5. Step 5: Solve for x
    x = 38,581,817,394.54/176,751.90
  6. Step 6: Final answer
    x = 218,282.33

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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.