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Finding the Fourth Proportional to 255,007.82, 382,507.41 and 88,791.50

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Solution

The fourth proportional to 255,007.82, 382,507.41 and 88,791.50 is: 133,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,007.82 : 382,507.41 = 88,791.50 : x
  2. Step 2: Convert to fraction form
    255,007.82/382,507.41 = 88,791.50/x
  3. Step 3: Cross multiply
    255,007.82x = 382,507.41 × 88,791.50
  4. Step 4: Simplify right side
    255,007.82x = 33,963,406,695.02
  5. Step 5: Solve for x
    x = 33,963,406,695.02/255,007.82
  6. Step 6: Final answer
    x = 133,185.75

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1.5x scale

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.