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Finding the Fourth Proportional to 163,588.80, 245,527.20 and 96,945.60

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Solution

The fourth proportional to 163,588.80, 245,527.20 and 96,945.60 is: 145,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,588.80 : 245,527.20 = 96,945.60 : x
  2. Step 2: Convert to fraction form
    163,588.80/245,527.20 = 96,945.60/x
  3. Step 3: Cross multiply
    163,588.80x = 245,527.20 × 96,945.60
  4. Step 4: Simplify right side
    163,588.80x = 23,802,781,720.32
  5. Step 5: Solve for x
    x = 23,802,781,720.32/163,588.80
  6. Step 6: Final answer
    x = 145,503.74

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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.