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Finding the Fourth Proportional to 73,889.47, 110,670.25 and 60,328.32

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Solution

The fourth proportional to 73,889.47, 110,670.25 and 60,328.32 is: 90,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,889.47 : 110,670.25 = 60,328.32 : x
  2. Step 2: Convert to fraction form
    73,889.47/110,670.25 = 60,328.32/x
  3. Step 3: Cross multiply
    73,889.47x = 110,670.25 × 60,328.32
  4. Step 4: Simplify right side
    73,889.47x = 6,676,550,115.02
  5. Step 5: Solve for x
    x = 6,676,550,115.02/73,889.47
  6. Step 6: Final answer
    x = 90,358.62

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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.