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Finding the Fourth Proportional to 252,937.68, 349,061.04 and 139,767.72

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Solution

The fourth proportional to 252,937.68, 349,061.04 and 139,767.72 is: 192,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,937.68 : 349,061.04 = 139,767.72 : x
  2. Step 2: Convert to fraction form
    252,937.68/349,061.04 = 139,767.72/x
  3. Step 3: Cross multiply
    252,937.68x = 349,061.04 × 139,767.72
  4. Step 4: Simplify right side
    252,937.68x = 48,787,465,701.63
  5. Step 5: Solve for x
    x = 48,787,465,701.63/252,937.68
  6. Step 6: Final answer
    x = 192,883.34

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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.