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Finding the Fourth Proportional to 122,159.80, 183,106.05 and 43,233.40

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Solution

The fourth proportional to 122,159.80, 183,106.05 and 43,233.40 is: 64,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,159.80 : 183,106.05 = 43,233.40 : x
  2. Step 2: Convert to fraction form
    122,159.80/183,106.05 = 43,233.40/x
  3. Step 3: Cross multiply
    122,159.80x = 183,106.05 × 43,233.40
  4. Step 4: Simplify right side
    122,159.80x = 7,916,297,102.07
  5. Step 5: Solve for x
    x = 7,916,297,102.07/122,159.80
  6. Step 6: Final answer
    x = 64,802.80

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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.