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Finding the Fourth Proportional to 163,881.60, 245,898.93 and 84,952.77

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Solution

The fourth proportional to 163,881.60, 245,898.93 and 84,952.77 is: 127,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,881.60 : 245,898.93 = 84,952.77 : x
  2. Step 2: Convert to fraction form
    163,881.60/245,898.93 = 84,952.77/x
  3. Step 3: Cross multiply
    163,881.60x = 245,898.93 × 84,952.77
  4. Step 4: Simplify right side
    163,881.60x = 20,889,795,243.54
  5. Step 5: Solve for x
    x = 20,889,795,243.54/163,881.60
  6. Step 6: Final answer
    x = 127,468.83

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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.