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Finding the Fourth Proportional to 342,767.46, 514,145.70 and 93,449.46

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Solution

The fourth proportional to 342,767.46, 514,145.70 and 93,449.46 is: 140,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,767.46 : 514,145.70 = 93,449.46 : x
  2. Step 2: Convert to fraction form
    342,767.46/514,145.70 = 93,449.46/x
  3. Step 3: Cross multiply
    342,767.46x = 514,145.70 × 93,449.46
  4. Step 4: Simplify right side
    342,767.46x = 48,046,638,026.32
  5. Step 5: Solve for x
    x = 48,046,638,026.32/342,767.46
  6. Step 6: Final answer
    x = 140,172.69

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1.5x scale

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.