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Finding the Fourth Proportional to 152,083.70, 228,255.15 and 67,973.30

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Solution

The fourth proportional to 152,083.70, 228,255.15 and 67,973.30 is: 102,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,083.70 : 228,255.15 = 67,973.30 : x
  2. Step 2: Convert to fraction form
    152,083.70/228,255.15 = 67,973.30/x
  3. Step 3: Cross multiply
    152,083.70x = 228,255.15 × 67,973.30
  4. Step 4: Simplify right side
    152,083.70x = 15,515,255,787.50
  5. Step 5: Solve for x
    x = 15,515,255,787.50/152,083.70
  6. Step 6: Final answer
    x = 102,017.87

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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.