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Finding the Fourth Proportional to 155,924.60, 234,102.90 and 100,110.20

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Solution

The fourth proportional to 155,924.60, 234,102.90 and 100,110.20 is: 150,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,924.60 : 234,102.90 = 100,110.20 : x
  2. Step 2: Convert to fraction form
    155,924.60/234,102.90 = 100,110.20/x
  3. Step 3: Cross multiply
    155,924.60x = 234,102.90 × 100,110.20
  4. Step 4: Simplify right side
    155,924.60x = 23,436,088,139.58
  5. Step 5: Solve for x
    x = 23,436,088,139.58/155,924.60
  6. Step 6: Final answer
    x = 150,303.98

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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.