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Finding the Fourth Proportional to 127,727.10, 191,590.65 and 127,727.10

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Solution

The fourth proportional to 127,727.10, 191,590.65 and 127,727.10 is: 191,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,727.10 : 191,590.65 = 127,727.10 : x
  2. Step 2: Convert to fraction form
    127,727.10/191,590.65 = 127,727.10/x
  3. Step 3: Cross multiply
    127,727.10x = 191,590.65 × 127,727.10
  4. Step 4: Simplify right side
    127,727.10x = 24,471,318,111.62
  5. Step 5: Solve for x
    x = 24,471,318,111.62/127,727.10
  6. Step 6: Final answer
    x = 191,590.65

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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.