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Finding the Fourth Proportional to 163,213.40, 244,820.10 and 93,099.80

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Solution

The fourth proportional to 163,213.40, 244,820.10 and 93,099.80 is: 139,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,213.40 : 244,820.10 = 93,099.80 : x
  2. Step 2: Convert to fraction form
    163,213.40/244,820.10 = 93,099.80/x
  3. Step 3: Cross multiply
    163,213.40x = 244,820.10 × 93,099.80
  4. Step 4: Simplify right side
    163,213.40x = 22,792,702,345.98
  5. Step 5: Solve for x
    x = 22,792,702,345.98/163,213.40
  6. Step 6: Final answer
    x = 139,649.70

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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.