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Finding the Fourth Proportional to 252,589.63, 348,572.01 and 139,412.38

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Solution

The fourth proportional to 252,589.63, 348,572.01 and 139,412.38 is: 192,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,589.63 : 348,572.01 = 139,412.38 : x
  2. Step 2: Convert to fraction form
    252,589.63/348,572.01 = 139,412.38/x
  3. Step 3: Cross multiply
    252,589.63x = 348,572.01 × 139,412.38
  4. Step 4: Simplify right side
    252,589.63x = 48,595,253,515.48
  5. Step 5: Solve for x
    x = 48,595,253,515.48/252,589.63
  6. Step 6: Final answer
    x = 192,388.16

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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.