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Finding the Fourth Proportional to 165,909.70, 248,864.55 and 95,925.70

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Solution

The fourth proportional to 165,909.70, 248,864.55 and 95,925.70 is: 143,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,909.70 : 248,864.55 = 95,925.70 : x
  2. Step 2: Convert to fraction form
    165,909.70/248,864.55 = 95,925.70/x
  3. Step 3: Cross multiply
    165,909.70x = 248,864.55 × 95,925.70
  4. Step 4: Simplify right side
    165,909.70x = 23,872,506,163.94
  5. Step 5: Solve for x
    x = 23,872,506,163.94/165,909.70
  6. Step 6: Final answer
    x = 143,888.55

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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.