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Finding the Fourth Proportional to 273,967.32, 378,026.76 and 153,069.96

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Solution

The fourth proportional to 273,967.32, 378,026.76 and 153,069.96 is: 211,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,967.32 : 378,026.76 = 153,069.96 : x
  2. Step 2: Convert to fraction form
    273,967.32/378,026.76 = 153,069.96/x
  3. Step 3: Cross multiply
    273,967.32x = 378,026.76 × 153,069.96
  4. Step 4: Simplify right side
    273,967.32x = 57,864,541,032.13
  5. Step 5: Solve for x
    x = 57,864,541,032.13/273,967.32
  6. Step 6: Final answer
    x = 211,209.65

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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.