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Finding the Fourth Proportional to 247,889.44, 342,089.62 and 134,712.20

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Solution

The fourth proportional to 247,889.44, 342,089.62 and 134,712.20 is: 185,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,889.44 : 342,089.62 = 134,712.20 : x
  2. Step 2: Convert to fraction form
    247,889.44/342,089.62 = 134,712.20/x
  3. Step 3: Cross multiply
    247,889.44x = 342,089.62 × 134,712.20
  4. Step 4: Simplify right side
    247,889.44x = 46,083,645,307.36
  5. Step 5: Solve for x
    x = 46,083,645,307.36/247,889.44
  6. Step 6: Final answer
    x = 185,904.03

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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.