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Finding the Fourth Proportional to 115,305.60, 172,958.40 and 62,817.60

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Solution

The fourth proportional to 115,305.60, 172,958.40 and 62,817.60 is: 94,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,305.60 : 172,958.40 = 62,817.60 : x
  2. Step 2: Convert to fraction form
    115,305.60/172,958.40 = 62,817.60/x
  3. Step 3: Cross multiply
    115,305.60x = 172,958.40 × 62,817.60
  4. Step 4: Simplify right side
    115,305.60x = 10,864,831,587.84
  5. Step 5: Solve for x
    x = 10,864,831,587.84/115,305.60
  6. Step 6: Final answer
    x = 94,226.40

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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.