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Finding the Fourth Proportional to 125,204.77, 187,818.77 and 40,965.45

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Solution

The fourth proportional to 125,204.77, 187,818.77 and 40,965.45 is: 61,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,204.77 : 187,818.77 = 40,965.45 : x
  2. Step 2: Convert to fraction form
    125,204.77/187,818.77 = 40,965.45/x
  3. Step 3: Cross multiply
    125,204.77x = 187,818.77 × 40,965.45
  4. Step 4: Simplify right side
    125,204.77x = 7,694,080,431.50
  5. Step 5: Solve for x
    x = 7,694,080,431.50/125,204.77
  6. Step 6: Final answer
    x = 61,451.98

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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.