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Finding the Fourth Proportional to 114,531.60, 171,810.20 and 35,645.20

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Solution

The fourth proportional to 114,531.60, 171,810.20 and 35,645.20 is: 53,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,531.60 : 171,810.20 = 35,645.20 : x
  2. Step 2: Convert to fraction form
    114,531.60/171,810.20 = 35,645.20/x
  3. Step 3: Cross multiply
    114,531.60x = 171,810.20 × 35,645.20
  4. Step 4: Simplify right side
    114,531.60x = 6,124,208,941.04
  5. Step 5: Solve for x
    x = 6,124,208,941.04/114,531.60
  6. Step 6: Final answer
    x = 53,471.78

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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.