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Finding the Fourth Proportional to 351,276.54, 526,916.15 and 85,036.62

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Solution

The fourth proportional to 351,276.54, 526,916.15 and 85,036.62 is: 127,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,276.54 : 526,916.15 = 85,036.62 : x
  2. Step 2: Convert to fraction form
    351,276.54/526,916.15 = 85,036.62/x
  3. Step 3: Cross multiply
    351,276.54x = 526,916.15 × 85,036.62
  4. Step 4: Simplify right side
    351,276.54x = 44,807,168,419.41
  5. Step 5: Solve for x
    x = 44,807,168,419.41/351,276.54
  6. Step 6: Final answer
    x = 127,555.25

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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.