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Finding the Fourth Proportional to 249,272.96, 373,958.52 and 91,502.72

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Solution

The fourth proportional to 249,272.96, 373,958.52 and 91,502.72 is: 137,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,272.96 : 373,958.52 = 91,502.72 : x
  2. Step 2: Convert to fraction form
    249,272.96/373,958.52 = 91,502.72/x
  3. Step 3: Cross multiply
    249,272.96x = 373,958.52 × 91,502.72
  4. Step 4: Simplify right side
    249,272.96x = 34,218,221,747.17
  5. Step 5: Solve for x
    x = 34,218,221,747.17/249,272.96
  6. Step 6: Final answer
    x = 137,272.10

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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.