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Finding the Fourth Proportional to 342,766.08, 514,080 and 93,415.68

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Solution

The fourth proportional to 342,766.08, 514,080 and 93,415.68 is: 140,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,766.08 : 514,080 = 93,415.68 : x
  2. Step 2: Convert to fraction form
    342,766.08/514,080 = 93,415.68/x
  3. Step 3: Cross multiply
    342,766.08x = 514,080 × 93,415.68
  4. Step 4: Simplify right side
    342,766.08x = 48,023,132,774.40
  5. Step 5: Solve for x
    x = 48,023,132,774.40/342,766.08
  6. Step 6: Final answer
    x = 140,104.68

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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.