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Finding the Fourth Proportional to 249,309.12, 373,741.68 and 91,500.96

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Solution

The fourth proportional to 249,309.12, 373,741.68 and 91,500.96 is: 137,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,309.12 : 373,741.68 = 91,500.96 : x
  2. Step 2: Convert to fraction form
    249,309.12/373,741.68 = 91,500.96/x
  3. Step 3: Cross multiply
    249,309.12x = 373,741.68 × 91,500.96
  4. Step 4: Simplify right side
    249,309.12x = 34,197,722,512.01
  5. Step 5: Solve for x
    x = 34,197,722,512.01/249,309.12
  6. Step 6: Final answer
    x = 137,169.96

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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.