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Finding the Fourth Proportional to 265,223.32, 366,039.30 and 148,955.85

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Solution

The fourth proportional to 265,223.32, 366,039.30 and 148,955.85 is: 205,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,223.32 : 366,039.30 = 148,955.85 : x
  2. Step 2: Convert to fraction form
    265,223.32/366,039.30 = 148,955.85/x
  3. Step 3: Cross multiply
    265,223.32x = 366,039.30 × 148,955.85
  4. Step 4: Simplify right side
    265,223.32x = 54,523,695,064.91
  5. Step 5: Solve for x
    x = 54,523,695,064.91/265,223.32
  6. Step 6: Final answer
    x = 205,576.55

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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.