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Finding the Fourth Proportional to 62,208.80, 93,313.20 and 54,432.80

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Solution

The fourth proportional to 62,208.80, 93,313.20 and 54,432.80 is: 81,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,208.80 : 93,313.20 = 54,432.80 : x
  2. Step 2: Convert to fraction form
    62,208.80/93,313.20 = 54,432.80/x
  3. Step 3: Cross multiply
    62,208.80x = 93,313.20 × 54,432.80
  4. Step 4: Simplify right side
    62,208.80x = 5,079,298,752.96
  5. Step 5: Solve for x
    x = 5,079,298,752.96/62,208.80
  6. Step 6: Final answer
    x = 81,649.20

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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.