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Finding the Fourth Proportional to 176,674.80, 243,817.56 and 101,237.88

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Solution

The fourth proportional to 176,674.80, 243,817.56 and 101,237.88 is: 139,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,674.80 : 243,817.56 = 101,237.88 : x
  2. Step 2: Convert to fraction form
    176,674.80/243,817.56 = 101,237.88/x
  3. Step 3: Cross multiply
    176,674.80x = 243,817.56 × 101,237.88
  4. Step 4: Simplify right side
    176,674.80x = 24,683,572,881.17
  5. Step 5: Solve for x
    x = 24,683,572,881.17/176,674.80
  6. Step 6: Final answer
    x = 139,711.91

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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.