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Finding the Fourth Proportional to 109,873.54, 151,628.46 and 62,134

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Solution

The fourth proportional to 109,873.54, 151,628.46 and 62,134 is: 85,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,873.54 : 151,628.46 = 62,134 : x
  2. Step 2: Convert to fraction form
    109,873.54/151,628.46 = 62,134/x
  3. Step 3: Cross multiply
    109,873.54x = 151,628.46 × 62,134
  4. Step 4: Simplify right side
    109,873.54x = 9,421,282,733.64
  5. Step 5: Solve for x
    x = 9,421,282,733.64/109,873.54
  6. Step 6: Final answer
    x = 85,746.60

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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.