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Finding the Fourth Proportional to 97,262.61, 145,893.90 and 75,108.30

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Solution

The fourth proportional to 97,262.61, 145,893.90 and 75,108.30 is: 112,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,262.61 : 145,893.90 = 75,108.30 : x
  2. Step 2: Convert to fraction form
    97,262.61/145,893.90 = 75,108.30/x
  3. Step 3: Cross multiply
    97,262.61x = 145,893.90 × 75,108.30
  4. Step 4: Simplify right side
    97,262.61x = 10,957,842,809.37
  5. Step 5: Solve for x
    x = 10,957,842,809.37/97,262.61
  6. Step 6: Final answer
    x = 112,662.44

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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.