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Finding the Fourth Proportional to 125,673.45, 173,424.96 and 69,084.42

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Solution

The fourth proportional to 125,673.45, 173,424.96 and 69,084.42 is: 95,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,673.45 : 173,424.96 = 69,084.42 : x
  2. Step 2: Convert to fraction form
    125,673.45/173,424.96 = 69,084.42/x
  3. Step 3: Cross multiply
    125,673.45x = 173,424.96 × 69,084.42
  4. Step 4: Simplify right side
    125,673.45x = 11,980,962,775.12
  5. Step 5: Solve for x
    x = 11,980,962,775.12/125,673.45
  6. Step 6: Final answer
    x = 95,334.08

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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.