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Finding the Fourth Proportional to 109,463.59, 151,059.90 and 59,162.59

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Solution

The fourth proportional to 109,463.59, 151,059.90 and 59,162.59 is: 81,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,463.59 : 151,059.90 = 59,162.59 : x
  2. Step 2: Convert to fraction form
    109,463.59/151,059.90 = 59,162.59/x
  3. Step 3: Cross multiply
    109,463.59x = 151,059.90 × 59,162.59
  4. Step 4: Simplify right side
    109,463.59x = 8,937,094,929.14
  5. Step 5: Solve for x
    x = 8,937,094,929.14/109,463.59
  6. Step 6: Final answer
    x = 81,644.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.