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Finding the Fourth Proportional to 75,158.88, 112,795.44 and 27,818.76

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Solution

The fourth proportional to 75,158.88, 112,795.44 and 27,818.76 is: 41,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.88 : 112,795.44 = 27,818.76 : x
  2. Step 2: Convert to fraction form
    75,158.88/112,795.44 = 27,818.76/x
  3. Step 3: Cross multiply
    75,158.88x = 112,795.44 × 27,818.76
  4. Step 4: Simplify right side
    75,158.88x = 3,137,829,274.45
  5. Step 5: Solve for x
    x = 3,137,829,274.45/75,158.88
  6. Step 6: Final answer
    x = 41,749.28

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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.