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Finding the Fourth Proportional to 170,032.76, 255,049.32 and 63,415.08

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Solution

The fourth proportional to 170,032.76, 255,049.32 and 63,415.08 is: 95,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,032.76 : 255,049.32 = 63,415.08 : x
  2. Step 2: Convert to fraction form
    170,032.76/255,049.32 = 63,415.08/x
  3. Step 3: Cross multiply
    170,032.76x = 255,049.32 × 63,415.08
  4. Step 4: Simplify right side
    170,032.76x = 16,173,973,031.75
  5. Step 5: Solve for x
    x = 16,173,973,031.75/170,032.76
  6. Step 6: Final answer
    x = 95,122.69

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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.