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Finding the Fourth Proportional to 79,878.50, 119,703.57 and 58,652.00

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Solution

The fourth proportional to 79,878.50, 119,703.57 and 58,652.00 is: 87,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,878.50 : 119,703.57 = 58,652.00 : x
  2. Step 2: Convert to fraction form
    79,878.50/119,703.57 = 58,652.00/x
  3. Step 3: Cross multiply
    79,878.50x = 119,703.57 × 58,652.00
  4. Step 4: Simplify right side
    79,878.50x = 7,020,853,747.98
  5. Step 5: Solve for x
    x = 7,020,853,747.98/79,878.50
  6. Step 6: Final answer
    x = 87,894.16

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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.