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Finding the Fourth Proportional to 239,418.01, 359,130.58 and 70,955.43

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Solution

The fourth proportional to 239,418.01, 359,130.58 and 70,955.43 is: 106,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,418.01 : 359,130.58 = 70,955.43 : x
  2. Step 2: Convert to fraction form
    239,418.01/359,130.58 = 70,955.43/x
  3. Step 3: Cross multiply
    239,418.01x = 359,130.58 × 70,955.43
  4. Step 4: Simplify right side
    239,418.01x = 25,482,263,205.92
  5. Step 5: Solve for x
    x = 25,482,263,205.92/239,418.01
  6. Step 6: Final answer
    x = 106,434.19

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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.