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Finding the Fourth Proportional to 133,841.98, 200,753.58 and 62,780.20

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Solution

The fourth proportional to 133,841.98, 200,753.58 and 62,780.20 is: 94,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,841.98 : 200,753.58 = 62,780.20 : x
  2. Step 2: Convert to fraction form
    133,841.98/200,753.58 = 62,780.20/x
  3. Step 3: Cross multiply
    133,841.98x = 200,753.58 × 62,780.20
  4. Step 4: Simplify right side
    133,841.98x = 12,603,349,903.12
  5. Step 5: Solve for x
    x = 12,603,349,903.12/133,841.98
  6. Step 6: Final answer
    x = 94,165.90

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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.