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Finding the Fourth Proportional to 191,428.87, 264,100.98 and 191,133.62

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Solution

The fourth proportional to 191,428.87, 264,100.98 and 191,133.62 is: 263,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,428.87 : 264,100.98 = 191,133.62 : x
  2. Step 2: Convert to fraction form
    191,428.87/264,100.98 = 191,133.62/x
  3. Step 3: Cross multiply
    191,428.87x = 264,100.98 × 191,133.62
  4. Step 4: Simplify right side
    191,428.87x = 50,478,577,687.58
  5. Step 5: Solve for x
    x = 50,478,577,687.58/191,428.87
  6. Step 6: Final answer
    x = 263,693.65

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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.