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Finding the Fourth Proportional to 265,265.76, 366,085.68 and 148,988.64

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Solution

The fourth proportional to 265,265.76, 366,085.68 and 148,988.64 is: 205,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,265.76 : 366,085.68 = 148,988.64 : x
  2. Step 2: Convert to fraction form
    265,265.76/366,085.68 = 148,988.64/x
  3. Step 3: Cross multiply
    265,265.76x = 366,085.68 × 148,988.64
  4. Step 4: Simplify right side
    265,265.76x = 54,542,607,586.68
  5. Step 5: Solve for x
    x = 54,542,607,586.68/265,265.76
  6. Step 6: Final answer
    x = 205,614.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.