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Finding the Fourth Proportional to 152,679.10, 228,909.30 and 63,886.90

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Solution

The fourth proportional to 152,679.10, 228,909.30 and 63,886.90 is: 95,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,679.10 : 228,909.30 = 63,886.90 : x
  2. Step 2: Convert to fraction form
    152,679.10/228,909.30 = 63,886.90/x
  3. Step 3: Cross multiply
    152,679.10x = 228,909.30 × 63,886.90
  4. Step 4: Simplify right side
    152,679.10x = 14,624,305,558.17
  5. Step 5: Solve for x
    x = 14,624,305,558.17/152,679.10
  6. Step 6: Final answer
    x = 95,784.59

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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.