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Finding the Fourth Proportional to 132,906.84, 199,363.86 and 42,953.40

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Solution

The fourth proportional to 132,906.84, 199,363.86 and 42,953.40 is: 64,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.84 : 199,363.86 = 42,953.40 : x
  2. Step 2: Convert to fraction form
    132,906.84/199,363.86 = 42,953.40/x
  3. Step 3: Cross multiply
    132,906.84x = 199,363.86 × 42,953.40
  4. Step 4: Simplify right side
    132,906.84x = 8,563,355,624.12
  5. Step 5: Solve for x
    x = 8,563,355,624.12/132,906.84
  6. Step 6: Final answer
    x = 64,431.26

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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.