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Finding the Fourth Proportional to 93,610.80, 131,288.40 and 93,610.80

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Solution

The fourth proportional to 93,610.80, 131,288.40 and 93,610.80 is: 131,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,610.80 : 131,288.40 = 93,610.80 : x
  2. Step 2: Convert to fraction form
    93,610.80/131,288.40 = 93,610.80/x
  3. Step 3: Cross multiply
    93,610.80x = 131,288.40 × 93,610.80
  4. Step 4: Simplify right side
    93,610.80x = 12,290,012,154.72
  5. Step 5: Solve for x
    x = 12,290,012,154.72/93,610.80
  6. Step 6: Final answer
    x = 131,288.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.