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Finding the Fourth Proportional to 122,323.98, 183,441.96 and 42,340.22

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Solution

The fourth proportional to 122,323.98, 183,441.96 and 42,340.22 is: 63,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.98 : 183,441.96 = 42,340.22 : x
  2. Step 2: Convert to fraction form
    122,323.98/183,441.96 = 42,340.22/x
  3. Step 3: Cross multiply
    122,323.98x = 183,441.96 × 42,340.22
  4. Step 4: Simplify right side
    122,323.98x = 7,766,973,402.24
  5. Step 5: Solve for x
    x = 7,766,973,402.24/122,323.98
  6. Step 6: Final answer
    x = 63,495.10

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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.