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Finding the Fourth Proportional to 85,596.76, 118,127.06 and 47,355.69

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Solution

The fourth proportional to 85,596.76, 118,127.06 and 47,355.69 is: 65,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,596.76 : 118,127.06 = 47,355.69 : x
  2. Step 2: Convert to fraction form
    85,596.76/118,127.06 = 47,355.69/x
  3. Step 3: Cross multiply
    85,596.76x = 118,127.06 × 47,355.69
  4. Step 4: Simplify right side
    85,596.76x = 5,593,988,433.97
  5. Step 5: Solve for x
    x = 5,593,988,433.97/85,596.76
  6. Step 6: Final answer
    x = 65,352.81

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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.