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Finding the Fourth Proportional to 176,864.88, 265,012.80 and 88,028.88

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Solution

The fourth proportional to 176,864.88, 265,012.80 and 88,028.88 is: 131,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,864.88 : 265,012.80 = 88,028.88 : x
  2. Step 2: Convert to fraction form
    176,864.88/265,012.80 = 88,028.88/x
  3. Step 3: Cross multiply
    176,864.88x = 265,012.80 × 88,028.88
  4. Step 4: Simplify right side
    176,864.88x = 23,328,779,969.66
  5. Step 5: Solve for x
    x = 23,328,779,969.66/176,864.88
  6. Step 6: Final answer
    x = 131,901.71

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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.