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Finding the Fourth Proportional to 163,602.66, 245,535.24 and 84,739.44

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Solution

The fourth proportional to 163,602.66, 245,535.24 and 84,739.44 is: 127,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.66 : 245,535.24 = 84,739.44 : x
  2. Step 2: Convert to fraction form
    163,602.66/245,535.24 = 84,739.44/x
  3. Step 3: Cross multiply
    163,602.66x = 245,535.24 × 84,739.44
  4. Step 4: Simplify right side
    163,602.66x = 20,806,518,737.87
  5. Step 5: Solve for x
    x = 20,806,518,737.87/163,602.66
  6. Step 6: Final answer
    x = 127,177.14

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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.