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Finding the Fourth Proportional to 239,746.83, 359,780.76 and 99,505.59

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Solution

The fourth proportional to 239,746.83, 359,780.76 and 99,505.59 is: 149,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,746.83 : 359,780.76 = 99,505.59 : x
  2. Step 2: Convert to fraction form
    239,746.83/359,780.76 = 99,505.59/x
  3. Step 3: Cross multiply
    239,746.83x = 359,780.76 × 99,505.59
  4. Step 4: Simplify right side
    239,746.83x = 35,800,196,794.45
  5. Step 5: Solve for x
    x = 35,800,196,794.45/239,746.83
  6. Step 6: Final answer
    x = 149,325.01

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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.