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Finding the Fourth Proportional to 124,102.53, 186,123.04 and 35,356.80

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Solution

The fourth proportional to 124,102.53, 186,123.04 and 35,356.80 is: 53,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.53 : 186,123.04 = 35,356.80 : x
  2. Step 2: Convert to fraction form
    124,102.53/186,123.04 = 35,356.80/x
  3. Step 3: Cross multiply
    124,102.53x = 186,123.04 × 35,356.80
  4. Step 4: Simplify right side
    124,102.53x = 6,580,715,809.68
  5. Step 5: Solve for x
    x = 6,580,715,809.68/124,102.53
  6. Step 6: Final answer
    x = 53,026.44

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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.