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Finding the Fourth Proportional to 147,468.02, 220,693.73 and 90,504.09

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Solution

The fourth proportional to 147,468.02, 220,693.73 and 90,504.09 is: 135,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,468.02 : 220,693.73 = 90,504.09 : x
  2. Step 2: Convert to fraction form
    147,468.02/220,693.73 = 90,504.09/x
  3. Step 3: Cross multiply
    147,468.02x = 220,693.73 × 90,504.09
  4. Step 4: Simplify right side
    147,468.02x = 19,973,684,749.84
  5. Step 5: Solve for x
    x = 19,973,684,749.84/147,468.02
  6. Step 6: Final answer
    x = 135,444.18

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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.