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Finding the Fourth Proportional to 243,756.04, 365,720.66 and 108,807.88

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Solution

The fourth proportional to 243,756.04, 365,720.66 and 108,807.88 is: 163,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,756.04 : 365,720.66 = 108,807.88 : x
  2. Step 2: Convert to fraction form
    243,756.04/365,720.66 = 108,807.88/x
  3. Step 3: Cross multiply
    243,756.04x = 365,720.66 × 108,807.88
  4. Step 4: Simplify right side
    243,756.04x = 39,793,289,686.80
  5. Step 5: Solve for x
    x = 39,793,289,686.80/243,756.04
  6. Step 6: Final answer
    x = 163,250.48

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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.