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Finding the Fourth Proportional to 125,226.84, 187,848.90 and 46,339.32

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Solution

The fourth proportional to 125,226.84, 187,848.90 and 46,339.32 is: 69,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,226.84 : 187,848.90 = 46,339.32 : x
  2. Step 2: Convert to fraction form
    125,226.84/187,848.90 = 46,339.32/x
  3. Step 3: Cross multiply
    125,226.84x = 187,848.90 × 46,339.32
  4. Step 4: Simplify right side
    125,226.84x = 8,704,790,288.75
  5. Step 5: Solve for x
    x = 8,704,790,288.75/125,226.84
  6. Step 6: Final answer
    x = 69,512.18

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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.