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Finding the Fourth Proportional to 119,970.57, 179,817.47 and 45,042.93

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Solution

The fourth proportional to 119,970.57, 179,817.47 and 45,042.93 is: 67,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,970.57 : 179,817.47 = 45,042.93 : x
  2. Step 2: Convert to fraction form
    119,970.57/179,817.47 = 45,042.93/x
  3. Step 3: Cross multiply
    119,970.57x = 179,817.47 × 45,042.93
  4. Step 4: Simplify right side
    119,970.57x = 8,099,505,488.77
  5. Step 5: Solve for x
    x = 8,099,505,488.77/119,970.57
  6. Step 6: Final answer
    x = 67,512.43

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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.