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Finding the Fourth Proportional to 84,854.80, 127,282.20 and 29,450.80

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Solution

The fourth proportional to 84,854.80, 127,282.20 and 29,450.80 is: 44,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.80 : 127,282.20 = 29,450.80 : x
  2. Step 2: Convert to fraction form
    84,854.80/127,282.20 = 29,450.80/x
  3. Step 3: Cross multiply
    84,854.80x = 127,282.20 × 29,450.80
  4. Step 4: Simplify right side
    84,854.80x = 3,748,562,615.76
  5. Step 5: Solve for x
    x = 3,748,562,615.76/84,854.80
  6. Step 6: Final answer
    x = 44,176.20

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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.