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Finding the Fourth Proportional to 160,099.94, 220,938.60 and 87,504.30

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Solution

The fourth proportional to 160,099.94, 220,938.60 and 87,504.30 is: 120,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,099.94 : 220,938.60 = 87,504.30 : x
  2. Step 2: Convert to fraction form
    160,099.94/220,938.60 = 87,504.30/x
  3. Step 3: Cross multiply
    160,099.94x = 220,938.60 × 87,504.30
  4. Step 4: Simplify right side
    160,099.94x = 19,333,077,864.12
  5. Step 5: Solve for x
    x = 19,333,077,864.12/160,099.94
  6. Step 6: Final answer
    x = 120,756.31

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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.