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Finding the Fourth Proportional to 215,373.44, 297,210.40 and 119,874.24

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Solution

The fourth proportional to 215,373.44, 297,210.40 and 119,874.24 is: 165,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,373.44 : 297,210.40 = 119,874.24 : x
  2. Step 2: Convert to fraction form
    215,373.44/297,210.40 = 119,874.24/x
  3. Step 3: Cross multiply
    215,373.44x = 297,210.40 × 119,874.24
  4. Step 4: Simplify right side
    215,373.44x = 35,627,870,820.10
  5. Step 5: Solve for x
    x = 35,627,870,820.10/215,373.44
  6. Step 6: Final answer
    x = 165,423.70

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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.