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Finding the Fourth Proportional to 262,523.48, 393,688.62 and 93,998.12

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Solution

The fourth proportional to 262,523.48, 393,688.62 and 93,998.12 is: 140,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,523.48 : 393,688.62 = 93,998.12 : x
  2. Step 2: Convert to fraction form
    262,523.48/393,688.62 = 93,998.12/x
  3. Step 3: Cross multiply
    262,523.48x = 393,688.62 × 93,998.12
  4. Step 4: Simplify right side
    262,523.48x = 37,005,988,176.95
  5. Step 5: Solve for x
    x = 37,005,988,176.95/262,523.48
  6. Step 6: Final answer
    x = 140,962.59

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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.