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Finding the Fourth Proportional to 98,260.95, 147,422.58 and 35,079.72

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Solution

The fourth proportional to 98,260.95, 147,422.58 and 35,079.72 is: 52,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,260.95 : 147,422.58 = 35,079.72 : x
  2. Step 2: Convert to fraction form
    98,260.95/147,422.58 = 35,079.72/x
  3. Step 3: Cross multiply
    98,260.95x = 147,422.58 × 35,079.72
  4. Step 4: Simplify right side
    98,260.95x = 5,171,542,828.08
  5. Step 5: Solve for x
    x = 5,171,542,828.08/98,260.95
  6. Step 6: Final answer
    x = 52,630.70

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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.