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Finding the Fourth Proportional to 223,411.15, 335,116.73 and 156,926.35

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Solution

The fourth proportional to 223,411.15, 335,116.73 and 156,926.35 is: 235,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,411.15 : 335,116.73 = 156,926.35 : x
  2. Step 2: Convert to fraction form
    223,411.15/335,116.73 = 156,926.35/x
  3. Step 3: Cross multiply
    223,411.15x = 335,116.73 × 156,926.35
  4. Step 4: Simplify right side
    223,411.15x = 52,588,645,262.84
  5. Step 5: Solve for x
    x = 52,588,645,262.84/223,411.15
  6. Step 6: Final answer
    x = 235,389.53

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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.