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Finding the Fourth Proportional to 161,344.80, 242,017.20 and 94,816.80

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Solution

The fourth proportional to 161,344.80, 242,017.20 and 94,816.80 is: 142,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,344.80 : 242,017.20 = 94,816.80 : x
  2. Step 2: Convert to fraction form
    161,344.80/242,017.20 = 94,816.80/x
  3. Step 3: Cross multiply
    161,344.80x = 242,017.20 × 94,816.80
  4. Step 4: Simplify right side
    161,344.80x = 22,947,296,448.96
  5. Step 5: Solve for x
    x = 22,947,296,448.96/161,344.80
  6. Step 6: Final answer
    x = 142,225.20

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1.5x scale

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.