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Finding the Fourth Proportional to 491,125.32, 736,615.06 and 136,102.32

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Solution

The fourth proportional to 491,125.32, 736,615.06 and 136,102.32 is: 204,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,125.32 : 736,615.06 = 136,102.32 : x
  2. Step 2: Convert to fraction form
    491,125.32/736,615.06 = 136,102.32/x
  3. Step 3: Cross multiply
    491,125.32x = 736,615.06 × 136,102.32
  4. Step 4: Simplify right side
    491,125.32x = 100,255,018,612.94
  5. Step 5: Solve for x
    x = 100,255,018,612.94/491,125.32
  6. Step 6: Final answer
    x = 204,133.27

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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.