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Finding the Fourth Proportional to 270,187.58, 372,905.16 and 157,075.94

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Solution

The fourth proportional to 270,187.58, 372,905.16 and 157,075.94 is: 216,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,187.58 : 372,905.16 = 157,075.94 : x
  2. Step 2: Convert to fraction form
    270,187.58/372,905.16 = 157,075.94/x
  3. Step 3: Cross multiply
    270,187.58x = 372,905.16 × 157,075.94
  4. Step 4: Simplify right side
    270,187.58x = 58,574,428,537.85
  5. Step 5: Solve for x
    x = 58,574,428,537.85/270,187.58
  6. Step 6: Final answer
    x = 216,791.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.