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Finding the Fourth Proportional to 202,545.76, 304,009.30 and 102,777.54

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Solution

The fourth proportional to 202,545.76, 304,009.30 and 102,777.54 is: 154,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,545.76 : 304,009.30 = 102,777.54 : x
  2. Step 2: Convert to fraction form
    202,545.76/304,009.30 = 102,777.54/x
  3. Step 3: Cross multiply
    202,545.76x = 304,009.30 × 102,777.54
  4. Step 4: Simplify right side
    202,545.76x = 31,245,327,991.12
  5. Step 5: Solve for x
    x = 31,245,327,991.12/202,545.76
  6. Step 6: Final answer
    x = 154,263.06

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1.5x scale

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.