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Finding the Fourth Proportional to 192,695.71, 289,071.12 and 59,586.23

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Solution

The fourth proportional to 192,695.71, 289,071.12 and 59,586.23 is: 89,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,695.71 : 289,071.12 = 59,586.23 : x
  2. Step 2: Convert to fraction form
    192,695.71/289,071.12 = 59,586.23/x
  3. Step 3: Cross multiply
    192,695.71x = 289,071.12 × 59,586.23
  4. Step 4: Simplify right side
    192,695.71x = 17,224,656,797.32
  5. Step 5: Solve for x
    x = 17,224,656,797.32/192,695.71
  6. Step 6: Final answer
    x = 89,387.86

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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.