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Finding the Fourth Proportional to 88,192.52, 121,724.93 and 54,230.23

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Solution

The fourth proportional to 88,192.52, 121,724.93 and 54,230.23 is: 74,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,192.52 : 121,724.93 = 54,230.23 : x
  2. Step 2: Convert to fraction form
    88,192.52/121,724.93 = 54,230.23/x
  3. Step 3: Cross multiply
    88,192.52x = 121,724.93 × 54,230.23
  4. Step 4: Simplify right side
    88,192.52x = 6,601,170,950.63
  5. Step 5: Solve for x
    x = 6,601,170,950.63/88,192.52
  6. Step 6: Final answer
    x = 74,849.56

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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.