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Finding the Fourth Proportional to 163,851.56, 245,872.83 and 69,075.92

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Solution

The fourth proportional to 163,851.56, 245,872.83 and 69,075.92 is: 103,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,851.56 : 245,872.83 = 69,075.92 : x
  2. Step 2: Convert to fraction form
    163,851.56/245,872.83 = 69,075.92/x
  3. Step 3: Cross multiply
    163,851.56x = 245,872.83 × 69,075.92
  4. Step 4: Simplify right side
    163,851.56x = 16,983,892,808.97
  5. Step 5: Solve for x
    x = 16,983,892,808.97/163,851.56
  6. Step 6: Final answer
    x = 103,654.14

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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.