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Finding the Fourth Proportional to 163,868.84, 245,804.03 and 57,252.34

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Solution

The fourth proportional to 163,868.84, 245,804.03 and 57,252.34 is: 85,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,868.84 : 245,804.03 = 57,252.34 : x
  2. Step 2: Convert to fraction form
    163,868.84/245,804.03 = 57,252.34/x
  3. Step 3: Cross multiply
    163,868.84x = 245,804.03 × 57,252.34
  4. Step 4: Simplify right side
    163,868.84x = 14,072,855,898.93
  5. Step 5: Solve for x
    x = 14,072,855,898.93/163,868.84
  6. Step 6: Final answer
    x = 85,878.78

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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.