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Finding the Fourth Proportional to 85,258.80, 127,888.47 and 26,094.24

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Solution

The fourth proportional to 85,258.80, 127,888.47 and 26,094.24 is: 39,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,258.80 : 127,888.47 = 26,094.24 : x
  2. Step 2: Convert to fraction form
    85,258.80/127,888.47 = 26,094.24/x
  3. Step 3: Cross multiply
    85,258.80x = 127,888.47 × 26,094.24
  4. Step 4: Simplify right side
    85,258.80x = 3,337,152,429.41
  5. Step 5: Solve for x
    x = 3,337,152,429.41/85,258.80
  6. Step 6: Final answer
    x = 39,141.44

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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.