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Finding the Fourth Proportional to 178,010.80, 245,655.27 and 97,443.47

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Solution

The fourth proportional to 178,010.80, 245,655.27 and 97,443.47 is: 134,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,010.80 : 245,655.27 = 97,443.47 : x
  2. Step 2: Convert to fraction form
    178,010.80/245,655.27 = 97,443.47/x
  3. Step 3: Cross multiply
    178,010.80x = 245,655.27 × 97,443.47
  4. Step 4: Simplify right side
    178,010.80x = 23,937,502,546.73
  5. Step 5: Solve for x
    x = 23,937,502,546.73/178,010.80
  6. Step 6: Final answer
    x = 134,472.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.