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Finding the Fourth Proportional to 163,896.84, 245,864.30 and 57,247.79

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Solution

The fourth proportional to 163,896.84, 245,864.30 and 57,247.79 is: 85,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,896.84 : 245,864.30 = 57,247.79 : x
  2. Step 2: Convert to fraction form
    163,896.84/245,864.30 = 57,247.79/x
  3. Step 3: Cross multiply
    163,896.84x = 245,864.30 × 57,247.79
  4. Step 4: Simplify right side
    163,896.84x = 14,075,186,299.34
  5. Step 5: Solve for x
    x = 14,075,186,299.34/163,896.84
  6. Step 6: Final answer
    x = 85,878.33

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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.