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Finding the Fourth Proportional to 163,816.80, 245,854.80 and 64,024.80

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Solution

The fourth proportional to 163,816.80, 245,854.80 and 64,024.80 is: 96,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,816.80 : 245,854.80 = 64,024.80 : x
  2. Step 2: Convert to fraction form
    163,816.80/245,854.80 = 64,024.80/x
  3. Step 3: Cross multiply
    163,816.80x = 245,854.80 × 64,024.80
  4. Step 4: Simplify right side
    163,816.80x = 15,740,804,399.04
  5. Step 5: Solve for x
    x = 15,740,804,399.04/163,816.80
  6. Step 6: Final answer
    x = 96,087.85

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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.