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Finding the Fourth Proportional to 98,410.40, 148,004.40 and 88,301.60

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Solution

The fourth proportional to 98,410.40, 148,004.40 and 88,301.60 is: 132,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,410.40 : 148,004.40 = 88,301.60 : x
  2. Step 2: Convert to fraction form
    98,410.40/148,004.40 = 88,301.60/x
  3. Step 3: Cross multiply
    98,410.40x = 148,004.40 × 88,301.60
  4. Step 4: Simplify right side
    98,410.40x = 13,069,025,327.04
  5. Step 5: Solve for x
    x = 13,069,025,327.04/98,410.40
  6. Step 6: Final answer
    x = 132,801.26

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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.