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Finding the Fourth Proportional to 124,770, 187,156.44 and 36,024.48

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Solution

The fourth proportional to 124,770, 187,156.44 and 36,024.48 is: 54,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770 : 187,156.44 = 36,024.48 : x
  2. Step 2: Convert to fraction form
    124,770/187,156.44 = 36,024.48/x
  3. Step 3: Cross multiply
    124,770x = 187,156.44 × 36,024.48
  4. Step 4: Simplify right side
    124,770x = 6,742,213,429.65
  5. Step 5: Solve for x
    x = 6,742,213,429.65/124,770
  6. Step 6: Final answer
    x = 54,037.14

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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.