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Finding the Fourth Proportional to 247,322.61, 341,295.98 and 134,142.93

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Solution

The fourth proportional to 247,322.61, 341,295.98 and 134,142.93 is: 185,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,322.61 : 341,295.98 = 134,142.93 : x
  2. Step 2: Convert to fraction form
    247,322.61/341,295.98 = 134,142.93/x
  3. Step 3: Cross multiply
    247,322.61x = 341,295.98 × 134,142.93
  4. Step 4: Simplify right side
    247,322.61x = 45,782,442,083.71
  5. Step 5: Solve for x
    x = 45,782,442,083.71/247,322.61
  6. Step 6: Final answer
    x = 185,112.24

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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.