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Finding the Fourth Proportional to 73,503.60, 110,125.80 and 60,284.40

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Solution

The fourth proportional to 73,503.60, 110,125.80 and 60,284.40 is: 90,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,503.60 : 110,125.80 = 60,284.40 : x
  2. Step 2: Convert to fraction form
    73,503.60/110,125.80 = 60,284.40/x
  3. Step 3: Cross multiply
    73,503.60x = 110,125.80 × 60,284.40
  4. Step 4: Simplify right side
    73,503.60x = 6,638,867,777.52
  5. Step 5: Solve for x
    x = 6,638,867,777.52/73,503.60
  6. Step 6: Final answer
    x = 90,320.31

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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.