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Finding the Fourth Proportional to 239,722.69, 359,655.59 and 71,248.63

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Solution

The fourth proportional to 239,722.69, 359,655.59 and 71,248.63 is: 106,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,722.69 : 359,655.59 = 71,248.63 : x
  2. Step 2: Convert to fraction form
    239,722.69/359,655.59 = 71,248.63/x
  3. Step 3: Cross multiply
    239,722.69x = 359,655.59 × 71,248.63
  4. Step 4: Simplify right side
    239,722.69x = 25,624,968,059.34
  5. Step 5: Solve for x
    x = 25,624,968,059.34/239,722.69
  6. Step 6: Final answer
    x = 106,894.21

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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.