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Finding the Fourth Proportional to 230,372.56, 317,928.63 and 139,737.16

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Solution

The fourth proportional to 230,372.56, 317,928.63 and 139,737.16 is: 192,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.56 : 317,928.63 = 139,737.16 : x
  2. Step 2: Convert to fraction form
    230,372.56/317,928.63 = 139,737.16/x
  3. Step 3: Cross multiply
    230,372.56x = 317,928.63 × 139,737.16
  4. Step 4: Simplify right side
    230,372.56x = 44,426,443,838.89
  5. Step 5: Solve for x
    x = 44,426,443,838.89/230,372.56
  6. Step 6: Final answer
    x = 192,846.07

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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.