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Finding the Fourth Proportional to 163,128.60, 244,232.10 and 158,520.60

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Solution

The fourth proportional to 163,128.60, 244,232.10 and 158,520.60 is: 237,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,128.60 : 244,232.10 = 158,520.60 : x
  2. Step 2: Convert to fraction form
    163,128.60/244,232.10 = 158,520.60/x
  3. Step 3: Cross multiply
    163,128.60x = 244,232.10 × 158,520.60
  4. Step 4: Simplify right side
    163,128.60x = 38,715,819,031.26
  5. Step 5: Solve for x
    x = 38,715,819,031.26/163,128.60
  6. Step 6: Final answer
    x = 237,333.12

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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.