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Finding the Fourth Proportional to 74,753.52, 103,159.38 and 41,219.52

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Solution

The fourth proportional to 74,753.52, 103,159.38 and 41,219.52 is: 56,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,753.52 : 103,159.38 = 41,219.52 : x
  2. Step 2: Convert to fraction form
    74,753.52/103,159.38 = 41,219.52/x
  3. Step 3: Cross multiply
    74,753.52x = 103,159.38 × 41,219.52
  4. Step 4: Simplify right side
    74,753.52x = 4,252,180,127.10
  5. Step 5: Solve for x
    x = 4,252,180,127.10/74,753.52
  6. Step 6: Final answer
    x = 56,882.67

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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.