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Finding the Fourth Proportional to 84,525.58, 126,792.42 and 69,707.44

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Solution

The fourth proportional to 84,525.58, 126,792.42 and 69,707.44 is: 104,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,525.58 : 126,792.42 = 69,707.44 : x
  2. Step 2: Convert to fraction form
    84,525.58/126,792.42 = 69,707.44/x
  3. Step 3: Cross multiply
    84,525.58x = 126,792.42 × 69,707.44
  4. Step 4: Simplify right side
    84,525.58x = 8,838,375,009.60
  5. Step 5: Solve for x
    x = 8,838,375,009.60/84,525.58
  6. Step 6: Final answer
    x = 104,564.50

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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.