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Finding the Fourth Proportional to 92,020.76, 137,774.01 and 49,749.39

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Solution

The fourth proportional to 92,020.76, 137,774.01 and 49,749.39 is: 74,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,020.76 : 137,774.01 = 49,749.39 : x
  2. Step 2: Convert to fraction form
    92,020.76/137,774.01 = 49,749.39/x
  3. Step 3: Cross multiply
    92,020.76x = 137,774.01 × 49,749.39
  4. Step 4: Simplify right side
    92,020.76x = 6,854,173,141.91
  5. Step 5: Solve for x
    x = 6,854,173,141.91/92,020.76
  6. Step 6: Final answer
    x = 74,485.08

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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.