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Finding the Fourth Proportional to 120,044.59, 180,076.01 and 35,798.18

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Solution

The fourth proportional to 120,044.59, 180,076.01 and 35,798.18 is: 53,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,044.59 : 180,076.01 = 35,798.18 : x
  2. Step 2: Convert to fraction form
    120,044.59/180,076.01 = 35,798.18/x
  3. Step 3: Cross multiply
    120,044.59x = 180,076.01 × 35,798.18
  4. Step 4: Simplify right side
    120,044.59x = 6,446,392,340.29
  5. Step 5: Solve for x
    x = 6,446,392,340.29/120,044.59
  6. Step 6: Final answer
    x = 53,699.98

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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.