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Finding the Fourth Proportional to 75,254.88, 112,859.28 and 52,030.56

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Solution

The fourth proportional to 75,254.88, 112,859.28 and 52,030.56 is: 78,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,254.88 : 112,859.28 = 52,030.56 : x
  2. Step 2: Convert to fraction form
    75,254.88/112,859.28 = 52,030.56/x
  3. Step 3: Cross multiply
    75,254.88x = 112,859.28 × 52,030.56
  4. Step 4: Simplify right side
    75,254.88x = 5,872,131,539.60
  5. Step 5: Solve for x
    x = 5,872,131,539.60/75,254.88
  6. Step 6: Final answer
    x = 78,029.91

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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.