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Finding the Fourth Proportional to 122,594.80, 183,892.20 and 43,711.60

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Solution

The fourth proportional to 122,594.80, 183,892.20 and 43,711.60 is: 65,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,594.80 : 183,892.20 = 43,711.60 : x
  2. Step 2: Convert to fraction form
    122,594.80/183,892.20 = 43,711.60/x
  3. Step 3: Cross multiply
    122,594.80x = 183,892.20 × 43,711.60
  4. Step 4: Simplify right side
    122,594.80x = 8,038,222,289.52
  5. Step 5: Solve for x
    x = 8,038,222,289.52/122,594.80
  6. Step 6: Final answer
    x = 65,567.40

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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.