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Finding the Fourth Proportional to 202,545.64, 303,748.06 and 112,725.40

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Solution

The fourth proportional to 202,545.64, 303,748.06 and 112,725.40 is: 169,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,545.64 : 303,748.06 = 112,725.40 : x
  2. Step 2: Convert to fraction form
    202,545.64/303,748.06 = 112,725.40/x
  3. Step 3: Cross multiply
    202,545.64x = 303,748.06 × 112,725.40
  4. Step 4: Simplify right side
    202,545.64x = 34,240,121,562.72
  5. Step 5: Solve for x
    x = 34,240,121,562.72/202,545.64
  6. Step 6: Final answer
    x = 169,048.92

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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.