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Finding the Fourth Proportional to 125,673.37, 173,409.89 and 74,667.22

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Solution

The fourth proportional to 125,673.37, 173,409.89 and 74,667.22 is: 103,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,673.37 : 173,409.89 = 74,667.22 : x
  2. Step 2: Convert to fraction form
    125,673.37/173,409.89 = 74,667.22/x
  3. Step 3: Cross multiply
    125,673.37x = 173,409.89 × 74,667.22
  4. Step 4: Simplify right side
    125,673.37x = 12,948,033,809.95
  5. Step 5: Solve for x
    x = 12,948,033,809.95/125,673.37
  6. Step 6: Final answer
    x = 103,029.25

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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.