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Finding the Fourth Proportional to 98,552.60, 136,002.60 and 53,840.60

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Solution

The fourth proportional to 98,552.60, 136,002.60 and 53,840.60 is: 74,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,552.60 : 136,002.60 = 53,840.60 : x
  2. Step 2: Convert to fraction form
    98,552.60/136,002.60 = 53,840.60/x
  3. Step 3: Cross multiply
    98,552.60x = 136,002.60 × 53,840.60
  4. Step 4: Simplify right side
    98,552.60x = 7,322,461,585.56
  5. Step 5: Solve for x
    x = 7,322,461,585.56/98,552.60
  6. Step 6: Final answer
    x = 74,300.03

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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.