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Finding the Fourth Proportional to 72,633.60, 100,246.28 and 60,514.89

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Solution

The fourth proportional to 72,633.60, 100,246.28 and 60,514.89 is: 83,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,633.60 : 100,246.28 = 60,514.89 : x
  2. Step 2: Convert to fraction form
    72,633.60/100,246.28 = 60,514.89/x
  3. Step 3: Cross multiply
    72,633.60x = 100,246.28 × 60,514.89
  4. Step 4: Simplify right side
    72,633.60x = 6,066,392,607.11
  5. Step 5: Solve for x
    x = 6,066,392,607.11/72,633.60
  6. Step 6: Final answer
    x = 83,520.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.