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Finding the Fourth Proportional to 122,179.20, 183,243.20 and 59,894.40

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Solution

The fourth proportional to 122,179.20, 183,243.20 and 59,894.40 is: 89,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,179.20 : 183,243.20 = 59,894.40 : x
  2. Step 2: Convert to fraction form
    122,179.20/183,243.20 = 59,894.40/x
  3. Step 3: Cross multiply
    122,179.20x = 183,243.20 × 59,894.40
  4. Step 4: Simplify right side
    122,179.20x = 10,975,241,518.08
  5. Step 5: Solve for x
    x = 10,975,241,518.08/122,179.20
  6. Step 6: Final answer
    x = 89,829.05

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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.