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Finding the Fourth Proportional to 100,801.80, 139,098.33 and 58,363.02

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Solution

The fourth proportional to 100,801.80, 139,098.33 and 58,363.02 is: 80,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,801.80 : 139,098.33 = 58,363.02 : x
  2. Step 2: Convert to fraction form
    100,801.80/139,098.33 = 58,363.02/x
  3. Step 3: Cross multiply
    100,801.80x = 139,098.33 × 58,363.02
  4. Step 4: Simplify right side
    100,801.80x = 8,118,198,615.76
  5. Step 5: Solve for x
    x = 8,118,198,615.76/100,801.80
  6. Step 6: Final answer
    x = 80,536.25

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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.