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Finding the Fourth Proportional to 114,633.60, 171,701.10 and 70,125.72

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Solution

The fourth proportional to 114,633.60, 171,701.10 and 70,125.72 is: 105,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,633.60 : 171,701.10 = 70,125.72 : x
  2. Step 2: Convert to fraction form
    114,633.60/171,701.10 = 70,125.72/x
  3. Step 3: Cross multiply
    114,633.60x = 171,701.10 × 70,125.72
  4. Step 4: Simplify right side
    114,633.60x = 12,040,663,262.29
  5. Step 5: Solve for x
    x = 12,040,663,262.29/114,633.60
  6. Step 6: Final answer
    x = 105,036.07

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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.