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Finding the Fourth Proportional to 139,506.74, 192,614.36 and 93,635.16

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Solution

The fourth proportional to 139,506.74, 192,614.36 and 93,635.16 is: 129,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,506.74 : 192,614.36 = 93,635.16 : x
  2. Step 2: Convert to fraction form
    139,506.74/192,614.36 = 93,635.16/x
  3. Step 3: Cross multiply
    139,506.74x = 192,614.36 × 93,635.16
  4. Step 4: Simplify right side
    139,506.74x = 18,035,476,416.90
  5. Step 5: Solve for x
    x = 18,035,476,416.90/139,506.74
  6. Step 6: Final answer
    x = 129,280.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.