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Finding the Fourth Proportional to 58,595.90, 80,840.03 and 43,319.14

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Solution

The fourth proportional to 58,595.90, 80,840.03 and 43,319.14 is: 59,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,595.90 : 80,840.03 = 43,319.14 : x
  2. Step 2: Convert to fraction form
    58,595.90/80,840.03 = 43,319.14/x
  3. Step 3: Cross multiply
    58,595.90x = 80,840.03 × 43,319.14
  4. Step 4: Simplify right side
    58,595.90x = 3,501,920,158.48
  5. Step 5: Solve for x
    x = 3,501,920,158.48/58,595.90
  6. Step 6: Final answer
    x = 59,763.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.