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Finding the Fourth Proportional to 252,454.83, 348,378.08 and 156,939.63

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Solution

The fourth proportional to 252,454.83, 348,378.08 and 156,939.63 is: 216,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,454.83 : 348,378.08 = 156,939.63 : x
  2. Step 2: Convert to fraction form
    252,454.83/348,378.08 = 156,939.63/x
  3. Step 3: Cross multiply
    252,454.83x = 348,378.08 × 156,939.63
  4. Step 4: Simplify right side
    252,454.83x = 54,674,326,190.61
  5. Step 5: Solve for x
    x = 54,674,326,190.61/252,454.83
  6. Step 6: Final answer
    x = 216,570.73

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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.