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Finding the Fourth Proportional to 252,555.56, 348,534.81 and 143,657.08

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Solution

The fourth proportional to 252,555.56, 348,534.81 and 143,657.08 is: 198,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,555.56 : 348,534.81 = 143,657.08 : x
  2. Step 2: Convert to fraction form
    252,555.56/348,534.81 = 143,657.08/x
  3. Step 3: Cross multiply
    252,555.56x = 348,534.81 × 143,657.08
  4. Step 4: Simplify right side
    252,555.56x = 50,069,493,082.95
  5. Step 5: Solve for x
    x = 50,069,493,082.95/252,555.56
  6. Step 6: Final answer
    x = 198,251.40

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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.