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Finding the Fourth Proportional to 245,168.10, 367,752.15 and 87,401.70

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Solution

The fourth proportional to 245,168.10, 367,752.15 and 87,401.70 is: 131,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,168.10 : 367,752.15 = 87,401.70 : x
  2. Step 2: Convert to fraction form
    245,168.10/367,752.15 = 87,401.70/x
  3. Step 3: Cross multiply
    245,168.10x = 367,752.15 × 87,401.70
  4. Step 4: Simplify right side
    245,168.10x = 32,142,163,088.66
  5. Step 5: Solve for x
    x = 32,142,163,088.66/245,168.10
  6. Step 6: Final answer
    x = 131,102.55

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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.