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Finding the Fourth Proportional to 83,188.47, 124,803.74 and 23,216.93

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Solution

The fourth proportional to 83,188.47, 124,803.74 and 23,216.93 is: 34,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,188.47 : 124,803.74 = 23,216.93 : x
  2. Step 2: Convert to fraction form
    83,188.47/124,803.74 = 23,216.93/x
  3. Step 3: Cross multiply
    83,188.47x = 124,803.74 × 23,216.93
  4. Step 4: Simplify right side
    83,188.47x = 2,897,560,065.37
  5. Step 5: Solve for x
    x = 2,897,560,065.37/83,188.47
  6. Step 6: Final answer
    x = 34,831.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.