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Finding the Fourth Proportional to 73,409.92, 110,114.88 and 60,386.56

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Solution

The fourth proportional to 73,409.92, 110,114.88 and 60,386.56 is: 90,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,409.92 : 110,114.88 = 60,386.56 : x
  2. Step 2: Convert to fraction form
    73,409.92/110,114.88 = 60,386.56/x
  3. Step 3: Cross multiply
    73,409.92x = 110,114.88 × 60,386.56
  4. Step 4: Simplify right side
    73,409.92x = 6,649,458,808.01
  5. Step 5: Solve for x
    x = 6,649,458,808.01/73,409.92
  6. Step 6: Final answer
    x = 90,579.84

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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.