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Finding the Fourth Proportional to 242,795.88, 364,357.44 and 85,025.70

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Solution

The fourth proportional to 242,795.88, 364,357.44 and 85,025.70 is: 127,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,795.88 : 364,357.44 = 85,025.70 : x
  2. Step 2: Convert to fraction form
    242,795.88/364,357.44 = 85,025.70/x
  3. Step 3: Cross multiply
    242,795.88x = 364,357.44 × 85,025.70
  4. Step 4: Simplify right side
    242,795.88x = 30,979,746,386.21
  5. Step 5: Solve for x
    x = 30,979,746,386.21/242,795.88
  6. Step 6: Final answer
    x = 127,595.85

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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.