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Finding the Fourth Proportional to 98,873.78, 136,446.24 and 53,552.30

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Solution

The fourth proportional to 98,873.78, 136,446.24 and 53,552.30 is: 73,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,873.78 : 136,446.24 = 53,552.30 : x
  2. Step 2: Convert to fraction form
    98,873.78/136,446.24 = 53,552.30/x
  3. Step 3: Cross multiply
    98,873.78x = 136,446.24 × 53,552.30
  4. Step 4: Simplify right side
    98,873.78x = 7,307,009,978.35
  5. Step 5: Solve for x
    x = 7,307,009,978.35/98,873.78
  6. Step 6: Final answer
    x = 73,902.40

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1.5x scale

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.