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Finding the Fourth Proportional to 183,955.80, 275,277.60 and 127,531.20

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Solution

The fourth proportional to 183,955.80, 275,277.60 and 127,531.20 is: 190,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,955.80 : 275,277.60 = 127,531.20 : x
  2. Step 2: Convert to fraction form
    183,955.80/275,277.60 = 127,531.20/x
  3. Step 3: Cross multiply
    183,955.80x = 275,277.60 × 127,531.20
  4. Step 4: Simplify right side
    183,955.80x = 35,106,482,661.12
  5. Step 5: Solve for x
    x = 35,106,482,661.12/183,955.80
  6. Step 6: Final answer
    x = 190,841.94

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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.