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Finding the Fourth Proportional to 79,130.46, 118,657.62 and 26,503.14

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Solution

The fourth proportional to 79,130.46, 118,657.62 and 26,503.14 is: 39,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,130.46 : 118,657.62 = 26,503.14 : x
  2. Step 2: Convert to fraction form
    79,130.46/118,657.62 = 26,503.14/x
  3. Step 3: Cross multiply
    79,130.46x = 118,657.62 × 26,503.14
  4. Step 4: Simplify right side
    79,130.46x = 3,144,799,514.93
  5. Step 5: Solve for x
    x = 3,144,799,514.93/79,130.46
  6. Step 6: Final answer
    x = 39,741.96

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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.