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Finding the Fourth Proportional to 125,705.32, 188,512.62 and 36,935.08

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Solution

The fourth proportional to 125,705.32, 188,512.62 and 36,935.08 is: 55,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705.32 : 188,512.62 = 36,935.08 : x
  2. Step 2: Convert to fraction form
    125,705.32/188,512.62 = 36,935.08/x
  3. Step 3: Cross multiply
    125,705.32x = 188,512.62 × 36,935.08
  4. Step 4: Simplify right side
    125,705.32x = 6,962,728,700.71
  5. Step 5: Solve for x
    x = 6,962,728,700.71/125,705.32
  6. Step 6: Final answer
    x = 55,389.29

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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.