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Finding the Fourth Proportional to 342,733.28, 514,085.16 and 93,415.28

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Solution

The fourth proportional to 342,733.28, 514,085.16 and 93,415.28 is: 140,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,733.28 : 514,085.16 = 93,415.28 : x
  2. Step 2: Convert to fraction form
    342,733.28/514,085.16 = 93,415.28/x
  3. Step 3: Cross multiply
    342,733.28x = 514,085.16 × 93,415.28
  4. Step 4: Simplify right side
    342,733.28x = 48,023,409,165.24
  5. Step 5: Solve for x
    x = 48,023,409,165.24/342,733.28
  6. Step 6: Final answer
    x = 140,118.90

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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.