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Finding the Fourth Proportional to 239,008.69, 358,574.55 and 70,522.21

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Solution

The fourth proportional to 239,008.69, 358,574.55 and 70,522.21 is: 105,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,008.69 : 358,574.55 = 70,522.21 : x
  2. Step 2: Convert to fraction form
    239,008.69/358,574.55 = 70,522.21/x
  3. Step 3: Cross multiply
    239,008.69x = 358,574.55 × 70,522.21
  4. Step 4: Simplify right side
    239,008.69x = 25,287,469,715.76
  5. Step 5: Solve for x
    x = 25,287,469,715.76/239,008.69
  6. Step 6: Final answer
    x = 105,801.47

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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.