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Finding the Fourth Proportional to 247,520.61, 341,569.30 and 134,340.93

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Solution

The fourth proportional to 247,520.61, 341,569.30 and 134,340.93 is: 185,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,520.61 : 341,569.30 = 134,340.93 : x
  2. Step 2: Convert to fraction form
    247,520.61/341,569.30 = 134,340.93/x
  3. Step 3: Cross multiply
    247,520.61x = 341,569.30 × 134,340.93
  4. Step 4: Simplify right side
    247,520.61x = 45,886,737,421.45
  5. Step 5: Solve for x
    x = 45,886,737,421.45/247,520.61
  6. Step 6: Final answer
    x = 185,385.52

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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.