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Finding the Fourth Proportional to 177,701.81, 245,228.15 and 101,220.88

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Solution

The fourth proportional to 177,701.81, 245,228.15 and 101,220.88 is: 139,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,701.81 : 245,228.15 = 101,220.88 : x
  2. Step 2: Convert to fraction form
    177,701.81/245,228.15 = 101,220.88/x
  3. Step 3: Cross multiply
    177,701.81x = 245,228.15 × 101,220.88
  4. Step 4: Simplify right side
    177,701.81x = 24,822,209,143.77
  5. Step 5: Solve for x
    x = 24,822,209,143.77/177,701.81
  6. Step 6: Final answer
    x = 139,684.62

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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.