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Finding the Fourth Proportional to 58,870.20, 88,305.30 and 43,901.40

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Solution

The fourth proportional to 58,870.20, 88,305.30 and 43,901.40 is: 65,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,870.20 : 88,305.30 = 43,901.40 : x
  2. Step 2: Convert to fraction form
    58,870.20/88,305.30 = 43,901.40/x
  3. Step 3: Cross multiply
    58,870.20x = 88,305.30 × 43,901.40
  4. Step 4: Simplify right side
    58,870.20x = 3,876,726,297.42
  5. Step 5: Solve for x
    x = 3,876,726,297.42/58,870.20
  6. Step 6: Final answer
    x = 65,852.10

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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.