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Finding the Fourth Proportional to 88,855.90, 133,089.45 and 53,734.30

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Solution

The fourth proportional to 88,855.90, 133,089.45 and 53,734.30 is: 80,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,855.90 : 133,089.45 = 53,734.30 : x
  2. Step 2: Convert to fraction form
    88,855.90/133,089.45 = 53,734.30/x
  3. Step 3: Cross multiply
    88,855.90x = 133,089.45 × 53,734.30
  4. Step 4: Simplify right side
    88,855.90x = 7,151,468,433.14
  5. Step 5: Solve for x
    x = 7,151,468,433.14/88,855.90
  6. Step 6: Final answer
    x = 80,483.89

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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.