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Finding the Fourth Proportional to 168,870.83, 232,940.22 and 111,510.68

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Solution

The fourth proportional to 168,870.83, 232,940.22 and 111,510.68 is: 153,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,870.83 : 232,940.22 = 111,510.68 : x
  2. Step 2: Convert to fraction form
    168,870.83/232,940.22 = 111,510.68/x
  3. Step 3: Cross multiply
    168,870.83x = 232,940.22 × 111,510.68
  4. Step 4: Simplify right side
    168,870.83x = 25,975,322,331.55
  5. Step 5: Solve for x
    x = 25,975,322,331.55/168,870.83
  6. Step 6: Final answer
    x = 153,817.70

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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.