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Finding the Fourth Proportional to 116,872.80, 175,654.80 and 101,666.40

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Solution

The fourth proportional to 116,872.80, 175,654.80 and 101,666.40 is: 152,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,872.80 : 175,654.80 = 101,666.40 : x
  2. Step 2: Convert to fraction form
    116,872.80/175,654.80 = 101,666.40/x
  3. Step 3: Cross multiply
    116,872.80x = 175,654.80 × 101,666.40
  4. Step 4: Simplify right side
    116,872.80x = 17,858,191,158.72
  5. Step 5: Solve for x
    x = 17,858,191,158.72/116,872.80
  6. Step 6: Final answer
    x = 152,800.23

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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.