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Finding the Fourth Proportional to 92,399.22, 127,510.74 and 49,957.56

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Solution

The fourth proportional to 92,399.22, 127,510.74 and 49,957.56 is: 68,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,399.22 : 127,510.74 = 49,957.56 : x
  2. Step 2: Convert to fraction form
    92,399.22/127,510.74 = 49,957.56/x
  3. Step 3: Cross multiply
    92,399.22x = 127,510.74 × 49,957.56
  4. Step 4: Simplify right side
    92,399.22x = 6,370,125,444.19
  5. Step 5: Solve for x
    x = 6,370,125,444.19/92,399.22
  6. Step 6: Final answer
    x = 68,941.33

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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.