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Finding the Fourth Proportional to 176,675.48, 243,818.16 and 101,238.56

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Solution

The fourth proportional to 176,675.48, 243,818.16 and 101,238.56 is: 139,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,675.48 : 243,818.16 = 101,238.56 : x
  2. Step 2: Convert to fraction form
    176,675.48/243,818.16 = 101,238.56/x
  3. Step 3: Cross multiply
    176,675.48x = 243,818.16 × 101,238.56
  4. Step 4: Simplify right side
    176,675.48x = 24,683,799,420.25
  5. Step 5: Solve for x
    x = 24,683,799,420.25/176,675.48
  6. Step 6: Final answer
    x = 139,712.65

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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.