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Finding the Fourth Proportional to 157,683.60, 236,525.40 and 122,432.40

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Solution

The fourth proportional to 157,683.60, 236,525.40 and 122,432.40 is: 183,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,683.60 : 236,525.40 = 122,432.40 : x
  2. Step 2: Convert to fraction form
    157,683.60/236,525.40 = 122,432.40/x
  3. Step 3: Cross multiply
    157,683.60x = 236,525.40 × 122,432.40
  4. Step 4: Simplify right side
    157,683.60x = 28,958,372,382.96
  5. Step 5: Solve for x
    x = 28,958,372,382.96/157,683.60
  6. Step 6: Final answer
    x = 183,648.60

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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.