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Finding the Fourth Proportional to 229,995.64, 317,171.46 and 149,444.92

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Solution

The fourth proportional to 229,995.64, 317,171.46 and 149,444.92 is: 206,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,995.64 : 317,171.46 = 149,444.92 : x
  2. Step 2: Convert to fraction form
    229,995.64/317,171.46 = 149,444.92/x
  3. Step 3: Cross multiply
    229,995.64x = 317,171.46 × 149,444.92
  4. Step 4: Simplify right side
    229,995.64x = 47,399,663,465.98
  5. Step 5: Solve for x
    x = 47,399,663,465.98/229,995.64
  6. Step 6: Final answer
    x = 206,089.40

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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.