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Finding the Fourth Proportional to 493,100.19, 739,655.15 and 156,134.52

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Solution

The fourth proportional to 493,100.19, 739,655.15 and 156,134.52 is: 234,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,100.19 : 739,655.15 = 156,134.52 : x
  2. Step 2: Convert to fraction form
    493,100.19/739,655.15 = 156,134.52/x
  3. Step 3: Cross multiply
    493,100.19x = 739,655.15 × 156,134.52
  4. Step 4: Simplify right side
    493,100.19x = 115,485,701,030.11
  5. Step 5: Solve for x
    x = 115,485,701,030.11/493,100.19
  6. Step 6: Final answer
    x = 234,203.32

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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.