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Finding the Fourth Proportional to 176,870.61, 244,069.13 and 100,391.27

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Solution

The fourth proportional to 176,870.61, 244,069.13 and 100,391.27 is: 138,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,870.61 : 244,069.13 = 100,391.27 : x
  2. Step 2: Convert to fraction form
    176,870.61/244,069.13 = 100,391.27/x
  3. Step 3: Cross multiply
    176,870.61x = 244,069.13 × 100,391.27
  4. Step 4: Simplify right side
    176,870.61x = 24,502,409,928.50
  5. Step 5: Solve for x
    x = 24,502,409,928.50/176,870.61
  6. Step 6: Final answer
    x = 138,532.96

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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.