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Finding the Fourth Proportional to 89,841.78, 134,733.51 and 29,854.14

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Solution

The fourth proportional to 89,841.78, 134,733.51 and 29,854.14 is: 44,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,841.78 : 134,733.51 = 29,854.14 : x
  2. Step 2: Convert to fraction form
    89,841.78/134,733.51 = 29,854.14/x
  3. Step 3: Cross multiply
    89,841.78x = 134,733.51 × 29,854.14
  4. Step 4: Simplify right side
    89,841.78x = 4,022,353,070.23
  5. Step 5: Solve for x
    x = 4,022,353,070.23/89,841.78
  6. Step 6: Final answer
    x = 44,771.52

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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.