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Finding the Fourth Proportional to 239,235.48, 358,923.40 and 70,760.25

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Solution

The fourth proportional to 239,235.48, 358,923.40 and 70,760.25 is: 106,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,235.48 : 358,923.40 = 70,760.25 : x
  2. Step 2: Convert to fraction form
    239,235.48/358,923.40 = 70,760.25/x
  3. Step 3: Cross multiply
    239,235.48x = 358,923.40 × 70,760.25
  4. Step 4: Simplify right side
    239,235.48x = 25,397,509,337.95
  5. Step 5: Solve for x
    x = 25,397,509,337.95/239,235.48
  6. Step 6: Final answer
    x = 106,161.13

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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.