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Finding the Fourth Proportional to 160,980.91, 241,471.13 and 61,140.92

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Solution

The fourth proportional to 160,980.91, 241,471.13 and 61,140.92 is: 91,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,980.91 : 241,471.13 = 61,140.92 : x
  2. Step 2: Convert to fraction form
    160,980.91/241,471.13 = 61,140.92/x
  3. Step 3: Cross multiply
    160,980.91x = 241,471.13 × 61,140.92
  4. Step 4: Simplify right side
    160,980.91x = 14,763,765,528.58
  5. Step 5: Solve for x
    x = 14,763,765,528.58/160,980.91
  6. Step 6: Final answer
    x = 91,711.28

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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.