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Finding the Fourth Proportional to 248,089.94, 342,363.92 and 134,912.69

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Solution

The fourth proportional to 248,089.94, 342,363.92 and 134,912.69 is: 186,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,089.94 : 342,363.92 = 134,912.69 : x
  2. Step 2: Convert to fraction form
    248,089.94/342,363.92 = 134,912.69/x
  3. Step 3: Cross multiply
    248,089.94x = 342,363.92 × 134,912.69
  4. Step 4: Simplify right side
    248,089.94x = 46,189,236,303.63
  5. Step 5: Solve for x
    x = 46,189,236,303.63/248,089.94
  6. Step 6: Final answer
    x = 186,179.40

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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.