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Finding the Fourth Proportional to 171,140.05, 236,100.95 and 114,569.65

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Solution

The fourth proportional to 171,140.05, 236,100.95 and 114,569.65 is: 158,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,140.05 : 236,100.95 = 114,569.65 : x
  2. Step 2: Convert to fraction form
    171,140.05/236,100.95 = 114,569.65/x
  3. Step 3: Cross multiply
    171,140.05x = 236,100.95 × 114,569.65
  4. Step 4: Simplify right side
    171,140.05x = 27,050,002,472.70
  5. Step 5: Solve for x
    x = 27,050,002,472.70/171,140.05
  6. Step 6: Final answer
    x = 158,057.70

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1.5x scale

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.