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Finding the Fourth Proportional to 180,419.00, 248,974.29 and 99,841.68

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Solution

The fourth proportional to 180,419.00, 248,974.29 and 99,841.68 is: 137,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,419.00 : 248,974.29 = 99,841.68 : x
  2. Step 2: Convert to fraction form
    180,419.00/248,974.29 = 99,841.68/x
  3. Step 3: Cross multiply
    180,419.00x = 248,974.29 × 99,841.68
  4. Step 4: Simplify right side
    180,419.00x = 24,858,011,390.41
  5. Step 5: Solve for x
    x = 24,858,011,390.41/180,419.00
  6. Step 6: Final answer
    x = 137,779.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.