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Finding the Fourth Proportional to 174,147.76, 240,378.60 and 98,746.48

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Solution

The fourth proportional to 174,147.76, 240,378.60 and 98,746.48 is: 136,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,147.76 : 240,378.60 = 98,746.48 : x
  2. Step 2: Convert to fraction form
    174,147.76/240,378.60 = 98,746.48/x
  3. Step 3: Cross multiply
    174,147.76x = 240,378.60 × 98,746.48
  4. Step 4: Simplify right side
    174,147.76x = 23,736,540,617.33
  5. Step 5: Solve for x
    x = 23,736,540,617.33/174,147.76
  6. Step 6: Final answer
    x = 136,301.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.