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Finding the Fourth Proportional to 132,013.65, 198,020.78 and 92,746.07

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Solution

The fourth proportional to 132,013.65, 198,020.78 and 92,746.07 is: 139,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,013.65 : 198,020.78 = 92,746.07 : x
  2. Step 2: Convert to fraction form
    132,013.65/198,020.78 = 92,746.07/x
  3. Step 3: Cross multiply
    132,013.65x = 198,020.78 × 92,746.07
  4. Step 4: Simplify right side
    132,013.65x = 18,365,648,017.30
  5. Step 5: Solve for x
    x = 18,365,648,017.30/132,013.65
  6. Step 6: Final answer
    x = 139,119.31

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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.