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Finding the Fourth Proportional to 243,683.44, 365,544.60 and 83,695.24

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Solution

The fourth proportional to 243,683.44, 365,544.60 and 83,695.24 is: 125,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,683.44 : 365,544.60 = 83,695.24 : x
  2. Step 2: Convert to fraction form
    243,683.44/365,544.60 = 83,695.24/x
  3. Step 3: Cross multiply
    243,683.44x = 365,544.60 × 83,695.24
  4. Step 4: Simplify right side
    243,683.44x = 30,594,343,027.70
  5. Step 5: Solve for x
    x = 30,594,343,027.70/243,683.44
  6. Step 6: Final answer
    x = 125,549.54

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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.