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Finding the Fourth Proportional to 67,668.42, 101,385.96 and 44,858.28

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Solution

The fourth proportional to 67,668.42, 101,385.96 and 44,858.28 is: 67,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,668.42 : 101,385.96 = 44,858.28 : x
  2. Step 2: Convert to fraction form
    67,668.42/101,385.96 = 44,858.28/x
  3. Step 3: Cross multiply
    67,668.42x = 101,385.96 × 44,858.28
  4. Step 4: Simplify right side
    67,668.42x = 4,547,999,781.75
  5. Step 5: Solve for x
    x = 4,547,999,781.75/67,668.42
  6. Step 6: Final answer
    x = 67,210.08

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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.