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Finding the Fourth Proportional to 249,527.43, 374,285.88 and 81,047.43

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Solution

The fourth proportional to 249,527.43, 374,285.88 and 81,047.43 is: 121,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,527.43 : 374,285.88 = 81,047.43 : x
  2. Step 2: Convert to fraction form
    249,527.43/374,285.88 = 81,047.43/x
  3. Step 3: Cross multiply
    249,527.43x = 374,285.88 × 81,047.43
  4. Step 4: Simplify right side
    249,527.43x = 30,334,908,659.29
  5. Step 5: Solve for x
    x = 30,334,908,659.29/249,527.43
  6. Step 6: Final answer
    x = 121,569.43

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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.