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Finding the Fourth Proportional to 125,935, 173,790.30 and 69,346.24

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Solution

The fourth proportional to 125,935, 173,790.30 and 69,346.24 is: 95,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,935 : 173,790.30 = 69,346.24 : x
  2. Step 2: Convert to fraction form
    125,935/173,790.30 = 69,346.24/x
  3. Step 3: Cross multiply
    125,935x = 173,790.30 × 69,346.24
  4. Step 4: Simplify right side
    125,935x = 12,051,703,853.47
  5. Step 5: Solve for x
    x = 12,051,703,853.47/125,935
  6. Step 6: Final answer
    x = 95,697.81

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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.