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Finding the Fourth Proportional to 243,794.89, 336,472.86 and 148,283.11

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Solution

The fourth proportional to 243,794.89, 336,472.86 and 148,283.11 is: 204,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,794.89 : 336,472.86 = 148,283.11 : x
  2. Step 2: Convert to fraction form
    243,794.89/336,472.86 = 148,283.11/x
  3. Step 3: Cross multiply
    243,794.89x = 336,472.86 × 148,283.11
  4. Step 4: Simplify right side
    243,794.89x = 49,893,242,111.39
  5. Step 5: Solve for x
    x = 49,893,242,111.39/243,794.89
  6. Step 6: Final answer
    x = 204,652.53

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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.