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Finding the Fourth Proportional to 124,208.03, 171,407.73 and 67,619.81

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Solution

The fourth proportional to 124,208.03, 171,407.73 and 67,619.81 is: 93,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,208.03 : 171,407.73 = 67,619.81 : x
  2. Step 2: Convert to fraction form
    124,208.03/171,407.73 = 67,619.81/x
  3. Step 3: Cross multiply
    124,208.03x = 171,407.73 × 67,619.81
  4. Step 4: Simplify right side
    124,208.03x = 11,590,557,278.09
  5. Step 5: Solve for x
    x = 11,590,557,278.09/124,208.03
  6. Step 6: Final answer
    x = 93,315.69

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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.