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Finding the Fourth Proportional to 88,012.95, 132,031.98 and 28,835.97

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Solution

The fourth proportional to 88,012.95, 132,031.98 and 28,835.97 is: 43,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,012.95 : 132,031.98 = 28,835.97 : x
  2. Step 2: Convert to fraction form
    88,012.95/132,031.98 = 28,835.97/x
  3. Step 3: Cross multiply
    88,012.95x = 132,031.98 × 28,835.97
  4. Step 4: Simplify right side
    88,012.95x = 3,807,270,214.32
  5. Step 5: Solve for x
    x = 3,807,270,214.32/88,012.95
  6. Step 6: Final answer
    x = 43,258.07

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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.