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Finding the Fourth Proportional to 247,607.15, 341,692.56 and 134,429.90

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Solution

The fourth proportional to 247,607.15, 341,692.56 and 134,429.90 is: 185,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,607.15 : 341,692.56 = 134,429.90 : x
  2. Step 2: Convert to fraction form
    247,607.15/341,692.56 = 134,429.90/x
  3. Step 3: Cross multiply
    247,607.15x = 341,692.56 × 134,429.90
  4. Step 4: Simplify right side
    247,607.15x = 45,933,694,963.08
  5. Step 5: Solve for x
    x = 45,933,694,963.08/247,607.15
  6. Step 6: Final answer
    x = 185,510.38

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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.