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Finding the Fourth Proportional to 247,527.50, 341,559.54 and 138,616.64

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Solution

The fourth proportional to 247,527.50, 341,559.54 and 138,616.64 is: 191,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,527.50 : 341,559.54 = 138,616.64 : x
  2. Step 2: Convert to fraction form
    247,527.50/341,559.54 = 138,616.64/x
  3. Step 3: Cross multiply
    247,527.50x = 341,559.54 × 138,616.64
  4. Step 4: Simplify right side
    247,527.50x = 47,345,835,794.75
  5. Step 5: Solve for x
    x = 47,345,835,794.75/247,527.50
  6. Step 6: Final answer
    x = 191,275.05

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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.