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Finding the Fourth Proportional to 191,799.84, 264,797.20 and 170,520.24

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Solution

The fourth proportional to 191,799.84, 264,797.20 and 170,520.24 is: 235,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,799.84 : 264,797.20 = 170,520.24 : x
  2. Step 2: Convert to fraction form
    191,799.84/264,797.20 = 170,520.24/x
  3. Step 3: Cross multiply
    191,799.84x = 264,797.20 × 170,520.24
  4. Step 4: Simplify right side
    191,799.84x = 45,153,282,095.33
  5. Step 5: Solve for x
    x = 45,153,282,095.33/191,799.84
  6. Step 6: Final answer
    x = 235,418.77

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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.