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Finding the Fourth Proportional to 110,518.91, 152,540.69 and 70,224.80

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Solution

The fourth proportional to 110,518.91, 152,540.69 and 70,224.80 is: 96,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,518.91 : 152,540.69 = 70,224.80 : x
  2. Step 2: Convert to fraction form
    110,518.91/152,540.69 = 70,224.80/x
  3. Step 3: Cross multiply
    110,518.91x = 152,540.69 × 70,224.80
  4. Step 4: Simplify right side
    110,518.91x = 10,712,139,447.11
  5. Step 5: Solve for x
    x = 10,712,139,447.11/110,518.91
  6. Step 6: Final answer
    x = 96,925.85

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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.