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Finding the Fourth Proportional to 104,011.48, 155,875.80 and 43,990.04

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Solution

The fourth proportional to 104,011.48, 155,875.80 and 43,990.04 is: 65,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,011.48 : 155,875.80 = 43,990.04 : x
  2. Step 2: Convert to fraction form
    104,011.48/155,875.80 = 43,990.04/x
  3. Step 3: Cross multiply
    104,011.48x = 155,875.80 × 43,990.04
  4. Step 4: Simplify right side
    104,011.48x = 6,856,982,677.03
  5. Step 5: Solve for x
    x = 6,856,982,677.03/104,011.48
  6. Step 6: Final answer
    x = 65,925.25

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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.