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Finding the Fourth Proportional to 355,233.96, 532,851.28 and 99,056.30

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Solution

The fourth proportional to 355,233.96, 532,851.28 and 99,056.30 is: 148,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,233.96 : 532,851.28 = 99,056.30 : x
  2. Step 2: Convert to fraction form
    355,233.96/532,851.28 = 99,056.30/x
  3. Step 3: Cross multiply
    355,233.96x = 532,851.28 × 99,056.30
  4. Step 4: Simplify right side
    355,233.96x = 52,782,276,247.06
  5. Step 5: Solve for x
    x = 52,782,276,247.06/355,233.96
  6. Step 6: Final answer
    x = 148,584.54

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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.