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Finding the Fourth Proportional to 176,479.83, 243,548.03 and 103,869.56

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Solution

The fourth proportional to 176,479.83, 243,548.03 and 103,869.56 is: 143,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,479.83 : 243,548.03 = 103,869.56 : x
  2. Step 2: Convert to fraction form
    176,479.83/243,548.03 = 103,869.56/x
  3. Step 3: Cross multiply
    176,479.83x = 243,548.03 × 103,869.56
  4. Step 4: Simplify right side
    176,479.83x = 25,297,226,714.97
  5. Step 5: Solve for x
    x = 25,297,226,714.97/176,479.83
  6. Step 6: Final answer
    x = 143,343.44

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1.5x scale

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.