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Finding the Fourth Proportional to 316,696.96, 475,070.28 and 92,060.74

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Solution

The fourth proportional to 316,696.96, 475,070.28 and 92,060.74 is: 138,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,696.96 : 475,070.28 = 92,060.74 : x
  2. Step 2: Convert to fraction form
    316,696.96/475,070.28 = 92,060.74/x
  3. Step 3: Cross multiply
    316,696.96x = 475,070.28 × 92,060.74
  4. Step 4: Simplify right side
    316,696.96x = 43,735,321,528.81
  5. Step 5: Solve for x
    x = 43,735,321,528.81/316,696.96
  6. Step 6: Final answer
    x = 138,098.33

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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.