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Finding the Fourth Proportional to 122,841.76, 182,994.89 and 119,124.76

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Solution

The fourth proportional to 122,841.76, 182,994.89 and 119,124.76 is: 177,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,841.76 : 182,994.89 = 119,124.76 : x
  2. Step 2: Convert to fraction form
    122,841.76/182,994.89 = 119,124.76/x
  3. Step 3: Cross multiply
    122,841.76x = 182,994.89 × 119,124.76
  4. Step 4: Simplify right side
    122,841.76x = 21,799,222,352.48
  5. Step 5: Solve for x
    x = 21,799,222,352.48/122,841.76
  6. Step 6: Final answer
    x = 177,457.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.