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Finding the Fourth Proportional to 318,083.62, 477,127.47 and 93,443.14

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Solution

The fourth proportional to 318,083.62, 477,127.47 and 93,443.14 is: 140,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,083.62 : 477,127.47 = 93,443.14 : x
  2. Step 2: Convert to fraction form
    318,083.62/477,127.47 = 93,443.14/x
  3. Step 3: Cross multiply
    318,083.62x = 477,127.47 × 93,443.14
  4. Step 4: Simplify right side
    318,083.62x = 44,584,288,977.06
  5. Step 5: Solve for x
    x = 44,584,288,977.06/318,083.62
  6. Step 6: Final answer
    x = 140,165.31

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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.