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Finding the Fourth Proportional to 122,318.40, 183,477.60 and 110,508.60

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Solution

The fourth proportional to 122,318.40, 183,477.60 and 110,508.60 is: 165,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318.40 : 183,477.60 = 110,508.60 : x
  2. Step 2: Convert to fraction form
    122,318.40/183,477.60 = 110,508.60/x
  3. Step 3: Cross multiply
    122,318.40x = 183,477.60 × 110,508.60
  4. Step 4: Simplify right side
    122,318.40x = 20,275,852,707.36
  5. Step 5: Solve for x
    x = 20,275,852,707.36/122,318.40
  6. Step 6: Final answer
    x = 165,762.90

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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.