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Finding the Fourth Proportional to 79,866.15, 119,549.93 and 58,829.91

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Solution

The fourth proportional to 79,866.15, 119,549.93 and 58,829.91 is: 88,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,866.15 : 119,549.93 = 58,829.91 : x
  2. Step 2: Convert to fraction form
    79,866.15/119,549.93 = 58,829.91/x
  3. Step 3: Cross multiply
    79,866.15x = 119,549.93 × 58,829.91
  4. Step 4: Simplify right side
    79,866.15x = 7,033,111,328.26
  5. Step 5: Solve for x
    x = 7,033,111,328.26/79,866.15
  6. Step 6: Final answer
    x = 88,061.23

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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.