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Finding the Fourth Proportional to 252,434.70, 348,360.48 and 137,713.59

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Solution

The fourth proportional to 252,434.70, 348,360.48 and 137,713.59 is: 190,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,434.70 : 348,360.48 = 137,713.59 : x
  2. Step 2: Convert to fraction form
    252,434.70/348,360.48 = 137,713.59/x
  3. Step 3: Cross multiply
    252,434.70x = 348,360.48 × 137,713.59
  4. Step 4: Simplify right side
    252,434.70x = 47,973,972,314.92
  5. Step 5: Solve for x
    x = 47,973,972,314.92/252,434.70
  6. Step 6: Final answer
    x = 190,045.08

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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.