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Finding the Fourth Proportional to 174,611.38, 240,957.30 and 106,742.02

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Solution

The fourth proportional to 174,611.38, 240,957.30 and 106,742.02 is: 147,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,611.38 : 240,957.30 = 106,742.02 : x
  2. Step 2: Convert to fraction form
    174,611.38/240,957.30 = 106,742.02/x
  3. Step 3: Cross multiply
    174,611.38x = 240,957.30 × 106,742.02
  4. Step 4: Simplify right side
    174,611.38x = 25,720,268,935.75
  5. Step 5: Solve for x
    x = 25,720,268,935.75/174,611.38
  6. Step 6: Final answer
    x = 147,300.07

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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.