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Finding the Fourth Proportional to 223,740.60, 334,736.10 and 145,008.60

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Solution

The fourth proportional to 223,740.60, 334,736.10 and 145,008.60 is: 216,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,740.60 : 334,736.10 = 145,008.60 : x
  2. Step 2: Convert to fraction form
    223,740.60/334,736.10 = 145,008.60/x
  3. Step 3: Cross multiply
    223,740.60x = 334,736.10 × 145,008.60
  4. Step 4: Simplify right side
    223,740.60x = 48,539,613,230.46
  5. Step 5: Solve for x
    x = 48,539,613,230.46/223,740.60
  6. Step 6: Final answer
    x = 216,945.93

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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.