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Finding the Fourth Proportional to 176,611, 243,723.20 and 101,164.36

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Solution

The fourth proportional to 176,611, 243,723.20 and 101,164.36 is: 139,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,611 : 243,723.20 = 101,164.36 : x
  2. Step 2: Convert to fraction form
    176,611/243,723.20 = 101,164.36/x
  3. Step 3: Cross multiply
    176,611x = 243,723.20 × 101,164.36
  4. Step 4: Simplify right side
    176,611x = 24,656,101,545.15
  5. Step 5: Solve for x
    x = 24,656,101,545.15/176,611
  6. Step 6: Final answer
    x = 139,606.83

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1.5x scale

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.