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Finding the Fourth Proportional to 177,337.80, 265,358.70 and 130,681.80

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Solution

The fourth proportional to 177,337.80, 265,358.70 and 130,681.80 is: 195,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,337.80 : 265,358.70 = 130,681.80 : x
  2. Step 2: Convert to fraction form
    177,337.80/265,358.70 = 130,681.80/x
  3. Step 3: Cross multiply
    177,337.80x = 265,358.70 × 130,681.80
  4. Step 4: Simplify right side
    177,337.80x = 34,677,552,561.66
  5. Step 5: Solve for x
    x = 34,677,552,561.66/177,337.80
  6. Step 6: Final answer
    x = 195,545.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.