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Finding the Fourth Proportional to 58,840.80, 88,261.20 and 29,263.20

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Solution

The fourth proportional to 58,840.80, 88,261.20 and 29,263.20 is: 43,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,840.80 : 88,261.20 = 29,263.20 : x
  2. Step 2: Convert to fraction form
    58,840.80/88,261.20 = 29,263.20/x
  3. Step 3: Cross multiply
    58,840.80x = 88,261.20 × 29,263.20
  4. Step 4: Simplify right side
    58,840.80x = 2,582,805,147.84
  5. Step 5: Solve for x
    x = 2,582,805,147.84/58,840.80
  6. Step 6: Final answer
    x = 43,894.80

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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.