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Finding the Fourth Proportional to 147,392.91, 221,089.36 and 36,584.91

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Solution

The fourth proportional to 147,392.91, 221,089.36 and 36,584.91 is: 54,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,392.91 : 221,089.36 = 36,584.91 : x
  2. Step 2: Convert to fraction form
    147,392.91/221,089.36 = 36,584.91/x
  3. Step 3: Cross multiply
    147,392.91x = 221,089.36 × 36,584.91
  4. Step 4: Simplify right side
    147,392.91x = 8,088,534,337.56
  5. Step 5: Solve for x
    x = 8,088,534,337.56/147,392.91
  6. Step 6: Final answer
    x = 54,877.36

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1.5x scale

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.