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Finding the Fourth Proportional to 124,625.76, 171,998.64 and 70,923.84

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Solution

The fourth proportional to 124,625.76, 171,998.64 and 70,923.84 is: 97,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,625.76 : 171,998.64 = 70,923.84 : x
  2. Step 2: Convert to fraction form
    124,625.76/171,998.64 = 70,923.84/x
  3. Step 3: Cross multiply
    124,625.76x = 171,998.64 × 70,923.84
  4. Step 4: Simplify right side
    124,625.76x = 12,198,804,023.58
  5. Step 5: Solve for x
    x = 12,198,804,023.58/124,625.76
  6. Step 6: Final answer
    x = 97,883.49

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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.