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Finding the Fourth Proportional to 180,508.46, 249,093.60 and 99,930.32

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Solution

The fourth proportional to 180,508.46, 249,093.60 and 99,930.32 is: 137,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,508.46 : 249,093.60 = 99,930.32 : x
  2. Step 2: Convert to fraction form
    180,508.46/249,093.60 = 99,930.32/x
  3. Step 3: Cross multiply
    180,508.46x = 249,093.60 × 99,930.32
  4. Step 4: Simplify right side
    180,508.46x = 24,892,003,157.95
  5. Step 5: Solve for x
    x = 24,892,003,157.95/180,508.46
  6. Step 6: Final answer
    x = 137,899.37

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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.