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Finding the Fourth Proportional to 109,626, 151,284.96 and 59,326.08

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Solution

The fourth proportional to 109,626, 151,284.96 and 59,326.08 is: 81,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,626 : 151,284.96 = 59,326.08 : x
  2. Step 2: Convert to fraction form
    109,626/151,284.96 = 59,326.08/x
  3. Step 3: Cross multiply
    109,626x = 151,284.96 × 59,326.08
  4. Step 4: Simplify right side
    109,626x = 8,975,143,639.76
  5. Step 5: Solve for x
    x = 8,975,143,639.76/109,626
  6. Step 6: Final answer
    x = 81,870.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.