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Finding the Fourth Proportional to 86,074.92, 118,801.08 and 54,222.48

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Solution

The fourth proportional to 86,074.92, 118,801.08 and 54,222.48 is: 74,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.92 : 118,801.08 = 54,222.48 : x
  2. Step 2: Convert to fraction form
    86,074.92/118,801.08 = 54,222.48/x
  3. Step 3: Cross multiply
    86,074.92x = 118,801.08 × 54,222.48
  4. Step 4: Simplify right side
    86,074.92x = 6,441,689,184.28
  5. Step 5: Solve for x
    x = 6,441,689,184.28/86,074.92
  6. Step 6: Final answer
    x = 74,838.17

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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.