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Finding the Fourth Proportional to 134,345.43, 201,510.84 and 40,843.89

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Solution

The fourth proportional to 134,345.43, 201,510.84 and 40,843.89 is: 61,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,345.43 : 201,510.84 = 40,843.89 : x
  2. Step 2: Convert to fraction form
    134,345.43/201,510.84 = 40,843.89/x
  3. Step 3: Cross multiply
    134,345.43x = 201,510.84 × 40,843.89
  4. Step 4: Simplify right side
    134,345.43x = 8,230,486,582.77
  5. Step 5: Solve for x
    x = 8,230,486,582.77/134,345.43
  6. Step 6: Final answer
    x = 61,263.61

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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.