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Finding the Fourth Proportional to 124,700.70, 187,051.05 and 49,832.40

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Solution

The fourth proportional to 124,700.70, 187,051.05 and 49,832.40 is: 74,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700.70 : 187,051.05 = 49,832.40 : x
  2. Step 2: Convert to fraction form
    124,700.70/187,051.05 = 49,832.40/x
  3. Step 3: Cross multiply
    124,700.70x = 187,051.05 × 49,832.40
  4. Step 4: Simplify right side
    124,700.70x = 9,321,202,744.02
  5. Step 5: Solve for x
    x = 9,321,202,744.02/124,700.70
  6. Step 6: Final answer
    x = 74,748.60

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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.