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Finding the Fourth Proportional to 88,153.16, 132,233.99 and 28,987.52

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Solution

The fourth proportional to 88,153.16, 132,233.99 and 28,987.52 is: 43,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,153.16 : 132,233.99 = 28,987.52 : x
  2. Step 2: Convert to fraction form
    88,153.16/132,233.99 = 28,987.52/x
  3. Step 3: Cross multiply
    88,153.16x = 132,233.99 × 28,987.52
  4. Step 4: Simplify right side
    88,153.16x = 3,833,134,623.70
  5. Step 5: Solve for x
    x = 3,833,134,623.70/88,153.16
  6. Step 6: Final answer
    x = 43,482.67

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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.