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Finding the Fourth Proportional to 66,602.03, 99,833.25 and 31,034.02

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Solution

The fourth proportional to 66,602.03, 99,833.25 and 31,034.02 is: 46,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,602.03 : 99,833.25 = 31,034.02 : x
  2. Step 2: Convert to fraction form
    66,602.03/99,833.25 = 31,034.02/x
  3. Step 3: Cross multiply
    66,602.03x = 99,833.25 × 31,034.02
  4. Step 4: Simplify right side
    66,602.03x = 3,098,226,827.58
  5. Step 5: Solve for x
    x = 3,098,226,827.58/66,602.03
  6. Step 6: Final answer
    x = 46,518.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.