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Finding the Fourth Proportional to 173,464.89, 239,421.56 and 112,930.13

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Solution

The fourth proportional to 173,464.89, 239,421.56 and 112,930.13 is: 155,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,464.89 : 239,421.56 = 112,930.13 : x
  2. Step 2: Convert to fraction form
    173,464.89/239,421.56 = 112,930.13/x
  3. Step 3: Cross multiply
    173,464.89x = 239,421.56 × 112,930.13
  4. Step 4: Simplify right side
    173,464.89x = 27,037,907,895.60
  5. Step 5: Solve for x
    x = 27,037,907,895.60/173,464.89
  6. Step 6: Final answer
    x = 155,869.63

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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.