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Finding the Fourth Proportional to 244,693.70, 367,040.55 and 86,938.10

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Solution

The fourth proportional to 244,693.70, 367,040.55 and 86,938.10 is: 130,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,693.70 : 367,040.55 = 86,938.10 : x
  2. Step 2: Convert to fraction form
    244,693.70/367,040.55 = 86,938.10/x
  3. Step 3: Cross multiply
    244,693.70x = 367,040.55 × 86,938.10
  4. Step 4: Simplify right side
    244,693.70x = 31,909,808,039.96
  5. Step 5: Solve for x
    x = 31,909,808,039.96/244,693.70
  6. Step 6: Final answer
    x = 130,407.15

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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.