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Finding the Fourth Proportional to 59,955.40, 89,954.70 and 57,795.40

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Solution

The fourth proportional to 59,955.40, 89,954.70 and 57,795.40 is: 86,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,955.40 : 89,954.70 = 57,795.40 : x
  2. Step 2: Convert to fraction form
    59,955.40/89,954.70 = 57,795.40/x
  3. Step 3: Cross multiply
    59,955.40x = 89,954.70 × 57,795.40
  4. Step 4: Simplify right side
    59,955.40x = 5,198,967,868.38
  5. Step 5: Solve for x
    x = 5,198,967,868.38/59,955.40
  6. Step 6: Final answer
    x = 86,713.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.