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Finding the Fourth Proportional to 375,856.65, 563,730.27 and 109,545.66

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Solution

The fourth proportional to 375,856.65, 563,730.27 and 109,545.66 is: 164,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,856.65 : 563,730.27 = 109,545.66 : x
  2. Step 2: Convert to fraction form
    375,856.65/563,730.27 = 109,545.66/x
  3. Step 3: Cross multiply
    375,856.65x = 563,730.27 × 109,545.66
  4. Step 4: Simplify right side
    375,856.65x = 61,754,204,489.13
  5. Step 5: Solve for x
    x = 61,754,204,489.13/375,856.65
  6. Step 6: Final answer
    x = 164,302.55

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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.