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Finding the Fourth Proportional to 133,008.98, 199,401.18 and 61,894.84

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Solution

The fourth proportional to 133,008.98, 199,401.18 and 61,894.84 is: 92,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,008.98 : 199,401.18 = 61,894.84 : x
  2. Step 2: Convert to fraction form
    133,008.98/199,401.18 = 61,894.84/x
  3. Step 3: Cross multiply
    133,008.98x = 199,401.18 × 61,894.84
  4. Step 4: Simplify right side
    133,008.98x = 12,341,904,131.91
  5. Step 5: Solve for x
    x = 12,341,904,131.91/133,008.98
  6. Step 6: Final answer
    x = 92,790.01

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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.