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Finding the Fourth Proportional to 112,866.48, 169,335.48 and 67,937.04

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Solution

The fourth proportional to 112,866.48, 169,335.48 and 67,937.04 is: 101,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,866.48 : 169,335.48 = 67,937.04 : x
  2. Step 2: Convert to fraction form
    112,866.48/169,335.48 = 67,937.04/x
  3. Step 3: Cross multiply
    112,866.48x = 169,335.48 × 67,937.04
  4. Step 4: Simplify right side
    112,866.48x = 11,504,151,278.18
  5. Step 5: Solve for x
    x = 11,504,151,278.18/112,866.48
  6. Step 6: Final answer
    x = 101,927.08

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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.