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Finding the Fourth Proportional to 163,368.80, 244,923.60 and 89,496.80

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Solution

The fourth proportional to 163,368.80, 244,923.60 and 89,496.80 is: 134,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,368.80 : 244,923.60 = 89,496.80 : x
  2. Step 2: Convert to fraction form
    163,368.80/244,923.60 = 89,496.80/x
  3. Step 3: Cross multiply
    163,368.80x = 244,923.60 × 89,496.80
  4. Step 4: Simplify right side
    163,368.80x = 21,919,878,444.48
  5. Step 5: Solve for x
    x = 21,919,878,444.48/163,368.80
  6. Step 6: Final answer
    x = 134,174.20

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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.