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Finding the Fourth Proportional to 85,258.55, 127,888.25 and 22,074.24

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Solution

The fourth proportional to 85,258.55, 127,888.25 and 22,074.24 is: 33,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,258.55 : 127,888.25 = 22,074.24 : x
  2. Step 2: Convert to fraction form
    85,258.55/127,888.25 = 22,074.24/x
  3. Step 3: Cross multiply
    85,258.55x = 127,888.25 × 22,074.24
  4. Step 4: Simplify right side
    85,258.55x = 2,823,035,813.31
  5. Step 5: Solve for x
    x = 2,823,035,813.31/85,258.55
  6. Step 6: Final answer
    x = 33,111.47

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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.