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Finding the Fourth Proportional to 215,276.32, 322,916.10 and 75,035.08

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Solution

The fourth proportional to 215,276.32, 322,916.10 and 75,035.08 is: 112,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,276.32 : 322,916.10 = 75,035.08 : x
  2. Step 2: Convert to fraction form
    215,276.32/322,916.10 = 75,035.08/x
  3. Step 3: Cross multiply
    215,276.32x = 322,916.10 × 75,035.08
  4. Step 4: Simplify right side
    215,276.32x = 24,230,035,396.79
  5. Step 5: Solve for x
    x = 24,230,035,396.79/215,276.32
  6. Step 6: Final answer
    x = 112,553.18

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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.