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Finding the Fourth Proportional to 127,849.98, 191,774.81 and 34,355.73

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Solution

The fourth proportional to 127,849.98, 191,774.81 and 34,355.73 is: 51,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,849.98 : 191,774.81 = 34,355.73 : x
  2. Step 2: Convert to fraction form
    127,849.98/191,774.81 = 34,355.73/x
  3. Step 3: Cross multiply
    127,849.98x = 191,774.81 × 34,355.73
  4. Step 4: Simplify right side
    127,849.98x = 6,588,563,421.38
  5. Step 5: Solve for x
    x = 6,588,563,421.38/127,849.98
  6. Step 6: Final answer
    x = 51,533.55

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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.