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Finding the Fourth Proportional to 127,468.41, 191,155.09 and 37,487.01

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Solution

The fourth proportional to 127,468.41, 191,155.09 and 37,487.01 is: 56,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,468.41 : 191,155.09 = 37,487.01 : x
  2. Step 2: Convert to fraction form
    127,468.41/191,155.09 = 37,487.01/x
  3. Step 3: Cross multiply
    127,468.41x = 191,155.09 × 37,487.01
  4. Step 4: Simplify right side
    127,468.41x = 7,165,832,770.38
  5. Step 5: Solve for x
    x = 7,165,832,770.38/127,468.41
  6. Step 6: Final answer
    x = 56,216.54

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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.