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Finding the Fourth Proportional to 247,767.42, 342,023.67 and 167,303.91

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Solution

The fourth proportional to 247,767.42, 342,023.67 and 167,303.91 is: 230,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,767.42 : 342,023.67 = 167,303.91 : x
  2. Step 2: Convert to fraction form
    247,767.42/342,023.67 = 167,303.91/x
  3. Step 3: Cross multiply
    247,767.42x = 342,023.67 × 167,303.91
  4. Step 4: Simplify right side
    247,767.42x = 57,221,897,303.55
  5. Step 5: Solve for x
    x = 57,221,897,303.55/247,767.42
  6. Step 6: Final answer
    x = 230,950.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.