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Finding the Fourth Proportional to 98,664.68, 147,980.52 and 35,471.92

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Solution

The fourth proportional to 98,664.68, 147,980.52 and 35,471.92 is: 53,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,664.68 : 147,980.52 = 35,471.92 : x
  2. Step 2: Convert to fraction form
    98,664.68/147,980.52 = 35,471.92/x
  3. Step 3: Cross multiply
    98,664.68x = 147,980.52 × 35,471.92
  4. Step 4: Simplify right side
    98,664.68x = 5,249,153,167.00
  5. Step 5: Solve for x
    x = 5,249,153,167.00/98,664.68
  6. Step 6: Final answer
    x = 53,201.95

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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.