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Finding the Fourth Proportional to 177,677.79, 266,301.32 and 130,493.27

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Solution

The fourth proportional to 177,677.79, 266,301.32 and 130,493.27 is: 195,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,677.79 : 266,301.32 = 130,493.27 : x
  2. Step 2: Convert to fraction form
    177,677.79/266,301.32 = 130,493.27/x
  3. Step 3: Cross multiply
    177,677.79x = 266,301.32 × 130,493.27
  4. Step 4: Simplify right side
    177,677.79x = 34,750,528,068.14
  5. Step 5: Solve for x
    x = 34,750,528,068.14/177,677.79
  6. Step 6: Final answer
    x = 195,581.72

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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.