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Finding the Fourth Proportional to 99,607.34, 149,432.90 and 29,492.12

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Solution

The fourth proportional to 99,607.34, 149,432.90 and 29,492.12 is: 44,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,607.34 : 149,432.90 = 29,492.12 : x
  2. Step 2: Convert to fraction form
    99,607.34/149,432.90 = 29,492.12/x
  3. Step 3: Cross multiply
    99,607.34x = 149,432.90 × 29,492.12
  4. Step 4: Simplify right side
    99,607.34x = 4,407,093,244.87
  5. Step 5: Solve for x
    x = 4,407,093,244.87/99,607.34
  6. Step 6: Final answer
    x = 44,244.66

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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.