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Finding the Fourth Proportional to 125,949, 173,809.62 and 69,360.24

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Solution

The fourth proportional to 125,949, 173,809.62 and 69,360.24 is: 95,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,949 : 173,809.62 = 69,360.24 : x
  2. Step 2: Convert to fraction form
    125,949/173,809.62 = 69,360.24/x
  3. Step 3: Cross multiply
    125,949x = 173,809.62 × 69,360.24
  4. Step 4: Simplify right side
    125,949x = 12,055,476,957.51
  5. Step 5: Solve for x
    x = 12,055,476,957.51/125,949
  6. Step 6: Final answer
    x = 95,717.13

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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.