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Finding the Fourth Proportional to 88,155, 132,232.23 and 31,995.03

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Solution

The fourth proportional to 88,155, 132,232.23 and 31,995.03 is: 47,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,155 : 132,232.23 = 31,995.03 : x
  2. Step 2: Convert to fraction form
    88,155/132,232.23 = 31,995.03/x
  3. Step 3: Cross multiply
    88,155x = 132,232.23 × 31,995.03
  4. Step 4: Simplify right side
    88,155x = 4,230,774,661.69
  5. Step 5: Solve for x
    x = 4,230,774,661.69/88,155
  6. Step 6: Final answer
    x = 47,992.45

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Double scale
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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.