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Finding the Fourth Proportional to 223,408.90, 335,113.35 and 156,924.10

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Solution

The fourth proportional to 223,408.90, 335,113.35 and 156,924.10 is: 235,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,408.90 : 335,113.35 = 156,924.10 : x
  2. Step 2: Convert to fraction form
    223,408.90/335,113.35 = 156,924.10/x
  3. Step 3: Cross multiply
    223,408.90x = 335,113.35 × 156,924.10
  4. Step 4: Simplify right side
    223,408.90x = 52,587,360,846.74
  5. Step 5: Solve for x
    x = 52,587,360,846.74/223,408.90
  6. Step 6: Final answer
    x = 235,386.15

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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.