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Finding the Fourth Proportional to 152,617.60, 228,764.40 and 73,680.40

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Solution

The fourth proportional to 152,617.60, 228,764.40 and 73,680.40 is: 110,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,617.60 : 228,764.40 = 73,680.40 : x
  2. Step 2: Convert to fraction form
    152,617.60/228,764.40 = 73,680.40/x
  3. Step 3: Cross multiply
    152,617.60x = 228,764.40 × 73,680.40
  4. Step 4: Simplify right side
    152,617.60x = 16,855,452,497.76
  5. Step 5: Solve for x
    x = 16,855,452,497.76/152,617.60
  6. Step 6: Final answer
    x = 110,442.39

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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.