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Finding the Fourth Proportional to 117,474.85, 176,240.90 and 37,512.87

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Solution

The fourth proportional to 117,474.85, 176,240.90 and 37,512.87 is: 56,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,474.85 : 176,240.90 = 37,512.87 : x
  2. Step 2: Convert to fraction form
    117,474.85/176,240.90 = 37,512.87/x
  3. Step 3: Cross multiply
    117,474.85x = 176,240.90 × 37,512.87
  4. Step 4: Simplify right side
    117,474.85x = 6,611,301,970.38
  5. Step 5: Solve for x
    x = 6,611,301,970.38/117,474.85
  6. Step 6: Final answer
    x = 56,278.45

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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.