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Finding the Fourth Proportional to 176,663.68, 243,710.02 and 104,992.98

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Solution

The fourth proportional to 176,663.68, 243,710.02 and 104,992.98 is: 144,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,663.68 : 243,710.02 = 104,992.98 : x
  2. Step 2: Convert to fraction form
    176,663.68/243,710.02 = 104,992.98/x
  3. Step 3: Cross multiply
    176,663.68x = 243,710.02 × 104,992.98
  4. Step 4: Simplify right side
    176,663.68x = 25,587,841,255.66
  5. Step 5: Solve for x
    x = 25,587,841,255.66/176,663.68
  6. Step 6: Final answer
    x = 144,839.29

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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.