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Finding the Fourth Proportional to 247,607.07, 371,302.44 and 87,629.85

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Solution

The fourth proportional to 247,607.07, 371,302.44 and 87,629.85 is: 131,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,607.07 : 371,302.44 = 87,629.85 : x
  2. Step 2: Convert to fraction form
    247,607.07/371,302.44 = 87,629.85/x
  3. Step 3: Cross multiply
    247,607.07x = 371,302.44 × 87,629.85
  4. Step 4: Simplify right side
    247,607.07x = 32,537,176,793.22
  5. Step 5: Solve for x
    x = 32,537,176,793.22/247,607.07
  6. Step 6: Final answer
    x = 131,406.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.