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Finding the Fourth Proportional to 101,560.91, 140,153.69 and 56,848.91

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Solution

The fourth proportional to 101,560.91, 140,153.69 and 56,848.91 is: 78,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,560.91 : 140,153.69 = 56,848.91 : x
  2. Step 2: Convert to fraction form
    101,560.91/140,153.69 = 56,848.91/x
  3. Step 3: Cross multiply
    101,560.91x = 140,153.69 × 56,848.91
  4. Step 4: Simplify right side
    101,560.91x = 7,967,583,950.33
  5. Step 5: Solve for x
    x = 7,967,583,950.33/101,560.91
  6. Step 6: Final answer
    x = 78,451.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.