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Finding the Fourth Proportional to 375,472.96, 563,246.40 and 109,236.16

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Solution

The fourth proportional to 375,472.96, 563,246.40 and 109,236.16 is: 163,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,472.96 : 563,246.40 = 109,236.16 : x
  2. Step 2: Convert to fraction form
    375,472.96/563,246.40 = 109,236.16/x
  3. Step 3: Cross multiply
    375,472.96x = 563,246.40 × 109,236.16
  4. Step 4: Simplify right side
    375,472.96x = 61,526,873,869.82
  5. Step 5: Solve for x
    x = 61,526,873,869.82/375,472.96
  6. Step 6: Final answer
    x = 163,864.99

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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.