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Finding the Fourth Proportional to 98,550.54, 147,798.78 and 35,358.96

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Solution

The fourth proportional to 98,550.54, 147,798.78 and 35,358.96 is: 53,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,550.54 : 147,798.78 = 35,358.96 : x
  2. Step 2: Convert to fraction form
    98,550.54/147,798.78 = 35,358.96/x
  3. Step 3: Cross multiply
    98,550.54x = 147,798.78 × 35,358.96
  4. Step 4: Simplify right side
    98,550.54x = 5,226,011,150.07
  5. Step 5: Solve for x
    x = 5,226,011,150.07/98,550.54
  6. Step 6: Final answer
    x = 53,028.74

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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.