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Finding the Fourth Proportional to 92,362.02, 127,459.54 and 49,920.56

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Solution

The fourth proportional to 92,362.02, 127,459.54 and 49,920.56 is: 68,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,362.02 : 127,459.54 = 49,920.56 : x
  2. Step 2: Convert to fraction form
    92,362.02/127,459.54 = 49,920.56/x
  3. Step 3: Cross multiply
    92,362.02x = 127,459.54 × 49,920.56
  4. Step 4: Simplify right side
    92,362.02x = 6,362,850,727.24
  5. Step 5: Solve for x
    x = 6,362,850,727.24/92,362.02
  6. Step 6: Final answer
    x = 68,890.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.