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Finding the Fourth Proportional to 261,620.60, 360,926.02 and 164,652.53

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Solution

The fourth proportional to 261,620.60, 360,926.02 and 164,652.53 is: 227,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,620.60 : 360,926.02 = 164,652.53 : x
  2. Step 2: Convert to fraction form
    261,620.60/360,926.02 = 164,652.53/x
  3. Step 3: Cross multiply
    261,620.60x = 360,926.02 × 164,652.53
  4. Step 4: Simplify right side
    261,620.60x = 59,427,382,335.83
  5. Step 5: Solve for x
    x = 59,427,382,335.83/261,620.60
  6. Step 6: Final answer
    x = 227,151.01

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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.