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Finding the Fourth Proportional to 105,001.38, 156,832.76 and 94,990.74

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Solution

The fourth proportional to 105,001.38, 156,832.76 and 94,990.74 is: 141,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.38 : 156,832.76 = 94,990.74 : x
  2. Step 2: Convert to fraction form
    105,001.38/156,832.76 = 94,990.74/x
  3. Step 3: Cross multiply
    105,001.38x = 156,832.76 × 94,990.74
  4. Step 4: Simplify right side
    105,001.38x = 14,897,659,453.69
  5. Step 5: Solve for x
    x = 14,897,659,453.69/105,001.38
  6. Step 6: Final answer
    x = 141,880.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.