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Finding the Fourth Proportional to 125,954.32, 173,816.64 and 69,365.68

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Solution

The fourth proportional to 125,954.32, 173,816.64 and 69,365.68 is: 95,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,954.32 : 173,816.64 = 69,365.68 : x
  2. Step 2: Convert to fraction form
    125,954.32/173,816.64 = 69,365.68/x
  3. Step 3: Cross multiply
    125,954.32x = 173,816.64 × 69,365.68
  4. Step 4: Simplify right side
    125,954.32x = 12,056,909,428.92
  5. Step 5: Solve for x
    x = 12,056,909,428.92/125,954.32
  6. Step 6: Final answer
    x = 95,724.46

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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.