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Finding the Fourth Proportional to 122,323.92, 183,441.87 and 42,340.17

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Solution

The fourth proportional to 122,323.92, 183,441.87 and 42,340.17 is: 63,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.92 : 183,441.87 = 42,340.17 : x
  2. Step 2: Convert to fraction form
    122,323.92/183,441.87 = 42,340.17/x
  3. Step 3: Cross multiply
    122,323.92x = 183,441.87 × 42,340.17
  4. Step 4: Simplify right side
    122,323.92x = 7,766,959,749.22
  5. Step 5: Solve for x
    x = 7,766,959,749.22/122,323.92
  6. Step 6: Final answer
    x = 63,495.02

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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.