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Finding the Fourth Proportional to 97,980.83, 146,962.13 and 26,900.90

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Solution

The fourth proportional to 97,980.83, 146,962.13 and 26,900.90 is: 40,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,980.83 : 146,962.13 = 26,900.90 : x
  2. Step 2: Convert to fraction form
    97,980.83/146,962.13 = 26,900.90/x
  3. Step 3: Cross multiply
    97,980.83x = 146,962.13 × 26,900.90
  4. Step 4: Simplify right side
    97,980.83x = 3,953,413,562.92
  5. Step 5: Solve for x
    x = 3,953,413,562.92/97,980.83
  6. Step 6: Final answer
    x = 40,348.85

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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.