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Finding the Fourth Proportional to 124,324.65, 186,649.58 and 73,815.89

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Solution

The fourth proportional to 124,324.65, 186,649.58 and 73,815.89 is: 110,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,324.65 : 186,649.58 = 73,815.89 : x
  2. Step 2: Convert to fraction form
    124,324.65/186,649.58 = 73,815.89/x
  3. Step 3: Cross multiply
    124,324.65x = 186,649.58 × 73,815.89
  4. Step 4: Simplify right side
    124,324.65x = 13,777,704,117.12
  5. Step 5: Solve for x
    x = 13,777,704,117.12/124,324.65
  6. Step 6: Final answer
    x = 110,820.37

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1.5x scale

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.