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Finding the Fourth Proportional to 100,598.61, 150,921.27 and 29,518.35

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Solution

The fourth proportional to 100,598.61, 150,921.27 and 29,518.35 is: 44,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,598.61 : 150,921.27 = 29,518.35 : x
  2. Step 2: Convert to fraction form
    100,598.61/150,921.27 = 29,518.35/x
  3. Step 3: Cross multiply
    100,598.61x = 150,921.27 × 29,518.35
  4. Step 4: Simplify right side
    100,598.61x = 4,454,946,870.30
  5. Step 5: Solve for x
    x = 4,454,946,870.30/100,598.61
  6. Step 6: Final answer
    x = 44,284.38

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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.