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Finding the Fourth Proportional to 173,220.80, 259,831.20 and 114,123.20

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Solution

The fourth proportional to 173,220.80, 259,831.20 and 114,123.20 is: 171,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.80 : 259,831.20 = 114,123.20 : x
  2. Step 2: Convert to fraction form
    173,220.80/259,831.20 = 114,123.20/x
  3. Step 3: Cross multiply
    173,220.80x = 259,831.20 × 114,123.20
  4. Step 4: Simplify right side
    173,220.80x = 29,652,768,003.84
  5. Step 5: Solve for x
    x = 29,652,768,003.84/173,220.80
  6. Step 6: Final answer
    x = 171,184.80

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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.