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Finding the Fourth Proportional to 200,527.40, 300,747.90 and 88,207.40

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Solution

The fourth proportional to 200,527.40, 300,747.90 and 88,207.40 is: 132,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,527.40 : 300,747.90 = 88,207.40 : x
  2. Step 2: Convert to fraction form
    200,527.40/300,747.90 = 88,207.40/x
  3. Step 3: Cross multiply
    200,527.40x = 300,747.90 × 88,207.40
  4. Step 4: Simplify right side
    200,527.40x = 26,528,190,314.46
  5. Step 5: Solve for x
    x = 26,528,190,314.46/200,527.40
  6. Step 6: Final answer
    x = 132,292.10

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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.