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Finding the Fourth Proportional to 238,230.91, 328,912.51 and 147,683.64

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Solution

The fourth proportional to 238,230.91, 328,912.51 and 147,683.64 is: 203,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,230.91 : 328,912.51 = 147,683.64 : x
  2. Step 2: Convert to fraction form
    238,230.91/328,912.51 = 147,683.64/x
  3. Step 3: Cross multiply
    238,230.91x = 328,912.51 × 147,683.64
  4. Step 4: Simplify right side
    238,230.91x = 48,574,996,718.34
  5. Step 5: Solve for x
    x = 48,574,996,718.34/238,230.91
  6. Step 6: Final answer
    x = 203,898.80

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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.