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Finding the Fourth Proportional to 210,109.52, 315,222.60 and 88,583.60

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Solution

The fourth proportional to 210,109.52, 315,222.60 and 88,583.60 is: 132,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,109.52 : 315,222.60 = 88,583.60 : x
  2. Step 2: Convert to fraction form
    210,109.52/315,222.60 = 88,583.60/x
  3. Step 3: Cross multiply
    210,109.52x = 315,222.60 × 88,583.60
  4. Step 4: Simplify right side
    210,109.52x = 27,923,552,709.36
  5. Step 5: Solve for x
    x = 27,923,552,709.36/210,109.52
  6. Step 6: Final answer
    x = 132,899.99

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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.