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Finding the Fourth Proportional to 114,079.40, 171,130.84 and 43,061.86

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Solution

The fourth proportional to 114,079.40, 171,130.84 and 43,061.86 is: 64,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,079.40 : 171,130.84 = 43,061.86 : x
  2. Step 2: Convert to fraction form
    114,079.40/171,130.84 = 43,061.86/x
  3. Step 3: Cross multiply
    114,079.40x = 171,130.84 × 43,061.86
  4. Step 4: Simplify right side
    114,079.40x = 7,369,212,273.76
  5. Step 5: Solve for x
    x = 7,369,212,273.76/114,079.40
  6. Step 6: Final answer
    x = 64,597.22

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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.