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Finding the Fourth Proportional to 73,623.60, 110,305.80 and 60,404.40

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Solution

The fourth proportional to 73,623.60, 110,305.80 and 60,404.40 is: 90,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,623.60 : 110,305.80 = 60,404.40 : x
  2. Step 2: Convert to fraction form
    73,623.60/110,305.80 = 60,404.40/x
  3. Step 3: Cross multiply
    73,623.60x = 110,305.80 × 60,404.40
  4. Step 4: Simplify right side
    73,623.60x = 6,662,955,665.52
  5. Step 5: Solve for x
    x = 6,662,955,665.52/73,623.60
  6. Step 6: Final answer
    x = 90,500.27

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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.