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Finding the Fourth Proportional to 192,534.86, 288,696.54 and 59,378.16

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Solution

The fourth proportional to 192,534.86, 288,696.54 and 59,378.16 is: 89,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,534.86 : 288,696.54 = 59,378.16 : x
  2. Step 2: Convert to fraction form
    192,534.86/288,696.54 = 59,378.16/x
  3. Step 3: Cross multiply
    192,534.86x = 288,696.54 × 59,378.16
  4. Step 4: Simplify right side
    192,534.86x = 17,142,269,343.57
  5. Step 5: Solve for x
    x = 17,142,269,343.57/192,534.86
  6. Step 6: Final answer
    x = 89,034.63

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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.