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Finding the Fourth Proportional to 125,552.88, 188,315.40 and 36,807.44

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Solution

The fourth proportional to 125,552.88, 188,315.40 and 36,807.44 is: 55,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,552.88 : 188,315.40 = 36,807.44 : x
  2. Step 2: Convert to fraction form
    125,552.88/188,315.40 = 36,807.44/x
  3. Step 3: Cross multiply
    125,552.88x = 188,315.40 × 36,807.44
  4. Step 4: Simplify right side
    125,552.88x = 6,931,407,786.58
  5. Step 5: Solve for x
    x = 6,931,407,786.58/125,552.88
  6. Step 6: Final answer
    x = 55,207.08

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1.5x scale

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.