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Finding the Fourth Proportional to 375,306.38, 563,054.62 and 109,061.18

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Solution

The fourth proportional to 375,306.38, 563,054.62 and 109,061.18 is: 163,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,306.38 : 563,054.62 = 109,061.18 : x
  2. Step 2: Convert to fraction form
    375,306.38/563,054.62 = 109,061.18/x
  3. Step 3: Cross multiply
    375,306.38x = 563,054.62 × 109,061.18
  4. Step 4: Simplify right side
    375,306.38x = 61,407,401,261.65
  5. Step 5: Solve for x
    x = 61,407,401,261.65/375,306.38
  6. Step 6: Final answer
    x = 163,619.39

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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.