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Finding the Fourth Proportional to 92,433, 127,557.53 and 49,991.53

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Solution

The fourth proportional to 92,433, 127,557.53 and 49,991.53 is: 68,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,433 : 127,557.53 = 49,991.53 : x
  2. Step 2: Convert to fraction form
    92,433/127,557.53 = 49,991.53/x
  3. Step 3: Cross multiply
    92,433x = 127,557.53 × 49,991.53
  4. Step 4: Simplify right side
    92,433x = 6,376,796,087.72
  5. Step 5: Solve for x
    x = 6,376,796,087.72/92,433
  6. Step 6: Final answer
    x = 68,988.31

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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.