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Finding the Fourth Proportional to 162,310.80, 243,539.10 and 73,518.60

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Solution

The fourth proportional to 162,310.80, 243,539.10 and 73,518.60 is: 110,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,310.80 : 243,539.10 = 73,518.60 : x
  2. Step 2: Convert to fraction form
    162,310.80/243,539.10 = 73,518.60/x
  3. Step 3: Cross multiply
    162,310.80x = 243,539.10 × 73,518.60
  4. Step 4: Simplify right side
    162,310.80x = 17,904,653,677.26
  5. Step 5: Solve for x
    x = 17,904,653,677.26/162,310.80
  6. Step 6: Final answer
    x = 110,310.92

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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.