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Finding the Fourth Proportional to 74,303.20, 111,454.80 and 44,705.80

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Solution

The fourth proportional to 74,303.20, 111,454.80 and 44,705.80 is: 67,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303.20 : 111,454.80 = 44,705.80 : x
  2. Step 2: Convert to fraction form
    74,303.20/111,454.80 = 44,705.80/x
  3. Step 3: Cross multiply
    74,303.20x = 111,454.80 × 44,705.80
  4. Step 4: Simplify right side
    74,303.20x = 4,982,675,997.84
  5. Step 5: Solve for x
    x = 4,982,675,997.84/74,303.20
  6. Step 6: Final answer
    x = 67,058.70

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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.