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Finding the Fourth Proportional to 105,701.88, 158,374.52 and 52,322.68

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Solution

The fourth proportional to 105,701.88, 158,374.52 and 52,322.68 is: 78,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.88 : 158,374.52 = 52,322.68 : x
  2. Step 2: Convert to fraction form
    105,701.88/158,374.52 = 52,322.68/x
  3. Step 3: Cross multiply
    105,701.88x = 158,374.52 × 52,322.68
  4. Step 4: Simplify right side
    105,701.88x = 8,286,579,330.11
  5. Step 5: Solve for x
    x = 8,286,579,330.11/105,701.88
  6. Step 6: Final answer
    x = 78,395.76

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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.