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Finding the Fourth Proportional to 98,483.96, 135,827.60 and 62,612.30

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Solution

The fourth proportional to 98,483.96, 135,827.60 and 62,612.30 is: 86,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,483.96 : 135,827.60 = 62,612.30 : x
  2. Step 2: Convert to fraction form
    98,483.96/135,827.60 = 62,612.30/x
  3. Step 3: Cross multiply
    98,483.96x = 135,827.60 × 62,612.30
  4. Step 4: Simplify right side
    98,483.96x = 8,504,478,439.48
  5. Step 5: Solve for x
    x = 8,504,478,439.48/98,483.96
  6. Step 6: Final answer
    x = 86,353.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.