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Finding the Fourth Proportional to 375,306.88, 563,055.37 and 109,061.68

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Solution

The fourth proportional to 375,306.88, 563,055.37 and 109,061.68 is: 163,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,306.88 : 563,055.37 = 109,061.68 : x
  2. Step 2: Convert to fraction form
    375,306.88/563,055.37 = 109,061.68/x
  3. Step 3: Cross multiply
    375,306.88x = 563,055.37 × 109,061.68
  4. Step 4: Simplify right side
    375,306.88x = 61,407,764,585.22
  5. Step 5: Solve for x
    x = 61,407,764,585.22/375,306.88
  6. Step 6: Final answer
    x = 163,620.14

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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.