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Finding the Fourth Proportional to 127,850.70, 191,776.05 and 127,850.70

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Solution

The fourth proportional to 127,850.70, 191,776.05 and 127,850.70 is: 191,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,850.70 : 191,776.05 = 127,850.70 : x
  2. Step 2: Convert to fraction form
    127,850.70/191,776.05 = 127,850.70/x
  3. Step 3: Cross multiply
    127,850.70x = 191,776.05 × 127,850.70
  4. Step 4: Simplify right side
    127,850.70x = 24,518,702,235.74
  5. Step 5: Solve for x
    x = 24,518,702,235.74/127,850.70
  6. Step 6: Final answer
    x = 191,776.05

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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.