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Finding the Fourth Proportional to 242,725.20, 364,087.80 and 158,744.40

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Solution

The fourth proportional to 242,725.20, 364,087.80 and 158,744.40 is: 238,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,725.20 : 364,087.80 = 158,744.40 : x
  2. Step 2: Convert to fraction form
    242,725.20/364,087.80 = 158,744.40/x
  3. Step 3: Cross multiply
    242,725.20x = 364,087.80 × 158,744.40
  4. Step 4: Simplify right side
    242,725.20x = 57,796,899,358.32
  5. Step 5: Solve for x
    x = 57,796,899,358.32/242,725.20
  6. Step 6: Final answer
    x = 238,116.60

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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.