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Finding the Fourth Proportional to 73,518.40, 110,223.60 and 29,123.20

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Solution

The fourth proportional to 73,518.40, 110,223.60 and 29,123.20 is: 43,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,518.40 : 110,223.60 = 29,123.20 : x
  2. Step 2: Convert to fraction form
    73,518.40/110,223.60 = 29,123.20/x
  3. Step 3: Cross multiply
    73,518.40x = 110,223.60 × 29,123.20
  4. Step 4: Simplify right side
    73,518.40x = 3,210,063,947.52
  5. Step 5: Solve for x
    x = 3,210,063,947.52/73,518.40
  6. Step 6: Final answer
    x = 43,663.41

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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.