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Finding the Fourth Proportional to 144,594.99, 199,512.74 and 90,848.88

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Solution

The fourth proportional to 144,594.99, 199,512.74 and 90,848.88 is: 125,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,594.99 : 199,512.74 = 90,848.88 : x
  2. Step 2: Convert to fraction form
    144,594.99/199,512.74 = 90,848.88/x
  3. Step 3: Cross multiply
    144,594.99x = 199,512.74 × 90,848.88
  4. Step 4: Simplify right side
    144,594.99x = 18,125,508,520.49
  5. Step 5: Solve for x
    x = 18,125,508,520.49/144,594.99
  6. Step 6: Final answer
    x = 125,353.64

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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.