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Finding the Fourth Proportional to 98,387.58, 147,640.50 and 35,202.72

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Solution

The fourth proportional to 98,387.58, 147,640.50 and 35,202.72 is: 52,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,387.58 : 147,640.50 = 35,202.72 : x
  2. Step 2: Convert to fraction form
    98,387.58/147,640.50 = 35,202.72/x
  3. Step 3: Cross multiply
    98,387.58x = 147,640.50 × 35,202.72
  4. Step 4: Simplify right side
    98,387.58x = 5,197,347,182.16
  5. Step 5: Solve for x
    x = 5,197,347,182.16/98,387.58
  6. Step 6: Final answer
    x = 52,825.24

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1.5x scale

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.