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Finding the Fourth Proportional to 253,160.55, 349,350.43 and 144,288.46

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Solution

The fourth proportional to 253,160.55, 349,350.43 and 144,288.46 is: 199,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,160.55 : 349,350.43 = 144,288.46 : x
  2. Step 2: Convert to fraction form
    253,160.55/349,350.43 = 144,288.46/x
  3. Step 3: Cross multiply
    253,160.55x = 349,350.43 × 144,288.46
  4. Step 4: Simplify right side
    253,160.55x = 50,407,235,545.04
  5. Step 5: Solve for x
    x = 50,407,235,545.04/253,160.55
  6. Step 6: Final answer
    x = 199,111.73

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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.