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Finding the Fourth Proportional to 79,693.12, 119,384.16 and 62,080.48

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Solution

The fourth proportional to 79,693.12, 119,384.16 and 62,080.48 is: 92,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,693.12 : 119,384.16 = 62,080.48 : x
  2. Step 2: Convert to fraction form
    79,693.12/119,384.16 = 62,080.48/x
  3. Step 3: Cross multiply
    79,693.12x = 119,384.16 × 62,080.48
  4. Step 4: Simplify right side
    79,693.12x = 7,411,425,957.20
  5. Step 5: Solve for x
    x = 7,411,425,957.20/79,693.12
  6. Step 6: Final answer
    x = 92,999.57

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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.