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Finding the Fourth Proportional to 163,562.61, 245,343.61 and 51,251.43

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Solution

The fourth proportional to 163,562.61, 245,343.61 and 51,251.43 is: 76,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,562.61 : 245,343.61 = 51,251.43 : x
  2. Step 2: Convert to fraction form
    163,562.61/245,343.61 = 51,251.43/x
  3. Step 3: Cross multiply
    163,562.61x = 245,343.61 × 51,251.43
  4. Step 4: Simplify right side
    163,562.61x = 12,574,211,506.07
  5. Step 5: Solve for x
    x = 12,574,211,506.07/163,562.61
  6. Step 6: Final answer
    x = 76,877.05

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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.