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Finding the Fourth Proportional to 93,233.88, 128,663.16 and 54,993.84

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Solution

The fourth proportional to 93,233.88, 128,663.16 and 54,993.84 is: 75,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,233.88 : 128,663.16 = 54,993.84 : x
  2. Step 2: Convert to fraction form
    93,233.88/128,663.16 = 54,993.84/x
  3. Step 3: Cross multiply
    93,233.88x = 128,663.16 × 54,993.84
  4. Step 4: Simplify right side
    93,233.88x = 7,075,681,234.93
  5. Step 5: Solve for x
    x = 7,075,681,234.93/93,233.88
  6. Step 6: Final answer
    x = 75,891.74

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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.