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Finding the Fourth Proportional to 215,737.48, 297,719.10 and 120,250.22

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Solution

The fourth proportional to 215,737.48, 297,719.10 and 120,250.22 is: 165,946.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,737.48 : 297,719.10 = 120,250.22 : x
  2. Step 2: Convert to fraction form
    215,737.48/297,719.10 = 120,250.22/x
  3. Step 3: Cross multiply
    215,737.48x = 297,719.10 × 120,250.22
  4. Step 4: Simplify right side
    215,737.48x = 35,800,788,017.50
  5. Step 5: Solve for x
    x = 35,800,788,017.50/215,737.48
  6. Step 6: Final answer
    x = 165,946.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.