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Finding the Fourth Proportional to 192,432.42, 265,565.04 and 109,648.98

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Solution

The fourth proportional to 192,432.42, 265,565.04 and 109,648.98 is: 151,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,432.42 : 265,565.04 = 109,648.98 : x
  2. Step 2: Convert to fraction form
    192,432.42/265,565.04 = 109,648.98/x
  3. Step 3: Cross multiply
    192,432.42x = 265,565.04 × 109,648.98
  4. Step 4: Simplify right side
    192,432.42x = 29,118,935,759.66
  5. Step 5: Solve for x
    x = 29,118,935,759.66/192,432.42
  6. Step 6: Final answer
    x = 151,320.32

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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.