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Finding the Fourth Proportional to 191,901.30, 268,311.90 and 191,901.30

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Solution

The fourth proportional to 191,901.30, 268,311.90 and 191,901.30 is: 268,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,901.30 : 268,311.90 = 191,901.30 : x
  2. Step 2: Convert to fraction form
    191,901.30/268,311.90 = 191,901.30/x
  3. Step 3: Cross multiply
    191,901.30x = 268,311.90 × 191,901.30
  4. Step 4: Simplify right side
    191,901.30x = 51,489,402,415.47
  5. Step 5: Solve for x
    x = 51,489,402,415.47/191,901.30
  6. Step 6: Final answer
    x = 268,311.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.