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Finding the Fourth Proportional to 99,410.66, 148,705.92 and 63,817.23

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Solution

The fourth proportional to 99,410.66, 148,705.92 and 63,817.23 is: 95,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.66 : 148,705.92 = 63,817.23 : x
  2. Step 2: Convert to fraction form
    99,410.66/148,705.92 = 63,817.23/x
  3. Step 3: Cross multiply
    99,410.66x = 148,705.92 × 63,817.23
  4. Step 4: Simplify right side
    99,410.66x = 9,489,999,899.00
  5. Step 5: Solve for x
    x = 9,489,999,899.00/99,410.66
  6. Step 6: Final answer
    x = 95,462.60

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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.