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Finding the Fourth Proportional to 92,859.84, 139,290.08 and 29,682.72

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Solution

The fourth proportional to 92,859.84, 139,290.08 and 29,682.72 is: 44,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.84 : 139,290.08 = 29,682.72 : x
  2. Step 2: Convert to fraction form
    92,859.84/139,290.08 = 29,682.72/x
  3. Step 3: Cross multiply
    92,859.84x = 139,290.08 × 29,682.72
  4. Step 4: Simplify right side
    92,859.84x = 4,134,508,443.42
  5. Step 5: Solve for x
    x = 4,134,508,443.42/92,859.84
  6. Step 6: Final answer
    x = 44,524.18

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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.