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Finding the Fourth Proportional to 268,182.99, 370,118.22 and 153,438.81

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Solution

The fourth proportional to 268,182.99, 370,118.22 and 153,438.81 is: 211,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,182.99 : 370,118.22 = 153,438.81 : x
  2. Step 2: Convert to fraction form
    268,182.99/370,118.22 = 153,438.81/x
  3. Step 3: Cross multiply
    268,182.99x = 370,118.22 × 153,438.81
  4. Step 4: Simplify right side
    268,182.99x = 56,790,499,236.12
  5. Step 5: Solve for x
    x = 56,790,499,236.12/268,182.99
  6. Step 6: Final answer
    x = 211,760.26

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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.