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Finding the Fourth Proportional to 247,856.48, 342,041.30 and 134,679.24

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Solution

The fourth proportional to 247,856.48, 342,041.30 and 134,679.24 is: 185,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,856.48 : 342,041.30 = 134,679.24 : x
  2. Step 2: Convert to fraction form
    247,856.48/342,041.30 = 134,679.24/x
  3. Step 3: Cross multiply
    247,856.48x = 342,041.30 × 134,679.24
  4. Step 4: Simplify right side
    247,856.48x = 46,065,862,332.61
  5. Step 5: Solve for x
    x = 46,065,862,332.61/247,856.48
  6. Step 6: Final answer
    x = 185,857.00

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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.