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Finding the Fourth Proportional to 247,063.67, 340,948.22 and 133,886.42

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Solution

The fourth proportional to 247,063.67, 340,948.22 and 133,886.42 is: 184,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,063.67 : 340,948.22 = 133,886.42 : x
  2. Step 2: Convert to fraction form
    247,063.67/340,948.22 = 133,886.42/x
  3. Step 3: Cross multiply
    247,063.67x = 340,948.22 × 133,886.42
  4. Step 4: Simplify right side
    247,063.67x = 45,648,334,207.00
  5. Step 5: Solve for x
    x = 45,648,334,207.00/247,063.67
  6. Step 6: Final answer
    x = 184,763.45

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1.5x scale

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.