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Finding the Fourth Proportional to 85,233.70, 127,860.15 and 26,068.90

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Solution

The fourth proportional to 85,233.70, 127,860.15 and 26,068.90 is: 39,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,233.70 : 127,860.15 = 26,068.90 : x
  2. Step 2: Convert to fraction form
    85,233.70/127,860.15 = 26,068.90/x
  3. Step 3: Cross multiply
    85,233.70x = 127,860.15 × 26,068.90
  4. Step 4: Simplify right side
    85,233.70x = 3,333,173,464.34
  5. Step 5: Solve for x
    x = 3,333,173,464.34/85,233.70
  6. Step 6: Final answer
    x = 39,106.29

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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.