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Finding the Fourth Proportional to 127,683.60, 191,525.40 and 44,566.80

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Solution

The fourth proportional to 127,683.60, 191,525.40 and 44,566.80 is: 66,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683.60 : 191,525.40 = 44,566.80 : x
  2. Step 2: Convert to fraction form
    127,683.60/191,525.40 = 44,566.80/x
  3. Step 3: Cross multiply
    127,683.60x = 191,525.40 × 44,566.80
  4. Step 4: Simplify right side
    127,683.60x = 8,535,674,196.72
  5. Step 5: Solve for x
    x = 8,535,674,196.72/127,683.60
  6. Step 6: Final answer
    x = 66,850.20

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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.