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Finding the Fourth Proportional to 239,011.44, 358,568.88 and 72,795.12

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Solution

The fourth proportional to 239,011.44, 358,568.88 and 72,795.12 is: 109,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,011.44 : 358,568.88 = 72,795.12 : x
  2. Step 2: Convert to fraction form
    239,011.44/358,568.88 = 72,795.12/x
  3. Step 3: Cross multiply
    239,011.44x = 358,568.88 × 72,795.12
  4. Step 4: Simplify right side
    239,011.44x = 26,102,064,647.87
  5. Step 5: Solve for x
    x = 26,102,064,647.87/239,011.44
  6. Step 6: Final answer
    x = 109,208.43

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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.