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Finding the Fourth Proportional to 95,615.91, 143,441.01 and 39,424.77

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Solution

The fourth proportional to 95,615.91, 143,441.01 and 39,424.77 is: 59,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,615.91 : 143,441.01 = 39,424.77 : x
  2. Step 2: Convert to fraction form
    95,615.91/143,441.01 = 39,424.77/x
  3. Step 3: Cross multiply
    95,615.91x = 143,441.01 × 39,424.77
  4. Step 4: Simplify right side
    95,615.91x = 5,655,128,827.82
  5. Step 5: Solve for x
    x = 5,655,128,827.82/95,615.91
  6. Step 6: Final answer
    x = 59,144.22

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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.