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Finding the Fourth Proportional to 124,315.86, 171,556.11 and 70,600.87

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Solution

The fourth proportional to 124,315.86, 171,556.11 and 70,600.87 is: 97,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,315.86 : 171,556.11 = 70,600.87 : x
  2. Step 2: Convert to fraction form
    124,315.86/171,556.11 = 70,600.87/x
  3. Step 3: Cross multiply
    124,315.86x = 171,556.11 × 70,600.87
  4. Step 4: Simplify right side
    124,315.86x = 12,112,010,619.82
  5. Step 5: Solve for x
    x = 12,112,010,619.82/124,315.86
  6. Step 6: Final answer
    x = 97,429.33

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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.