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Finding the Fourth Proportional to 85,952.16, 118,612.11 and 47,709.48

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Solution

The fourth proportional to 85,952.16, 118,612.11 and 47,709.48 is: 65,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,952.16 : 118,612.11 = 47,709.48 : x
  2. Step 2: Convert to fraction form
    85,952.16/118,612.11 = 47,709.48/x
  3. Step 3: Cross multiply
    85,952.16x = 118,612.11 × 47,709.48
  4. Step 4: Simplify right side
    85,952.16x = 5,658,922,089.80
  5. Step 5: Solve for x
    x = 5,658,922,089.80/85,952.16
  6. Step 6: Final answer
    x = 65,838.04

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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.