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Finding the Fourth Proportional to 65,122.86, 97,417.86 and 49,209.60

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Solution

The fourth proportional to 65,122.86, 97,417.86 and 49,209.60 is: 73,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,122.86 : 97,417.86 = 49,209.60 : x
  2. Step 2: Convert to fraction form
    65,122.86/97,417.86 = 49,209.60/x
  3. Step 3: Cross multiply
    65,122.86x = 97,417.86 × 49,209.60
  4. Step 4: Simplify right side
    65,122.86x = 4,793,893,923.46
  5. Step 5: Solve for x
    x = 4,793,893,923.46/65,122.86
  6. Step 6: Final answer
    x = 73,613.07

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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.