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Finding the Fourth Proportional to 99,678.92, 149,492.91 and 29,541.86

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Solution

The fourth proportional to 99,678.92, 149,492.91 and 29,541.86 is: 44,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,678.92 : 149,492.91 = 29,541.86 : x
  2. Step 2: Convert to fraction form
    99,678.92/149,492.91 = 29,541.86/x
  3. Step 3: Cross multiply
    99,678.92x = 149,492.91 × 29,541.86
  4. Step 4: Simplify right side
    99,678.92x = 4,416,298,618.21
  5. Step 5: Solve for x
    x = 4,416,298,618.21/99,678.92
  6. Step 6: Final answer
    x = 44,305.24

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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.