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Finding the Fourth Proportional to 250,307.32, 375,198.54 and 117,075.28

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Solution

The fourth proportional to 250,307.32, 375,198.54 and 117,075.28 is: 175,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,307.32 : 375,198.54 = 117,075.28 : x
  2. Step 2: Convert to fraction form
    250,307.32/375,198.54 = 117,075.28/x
  3. Step 3: Cross multiply
    250,307.32x = 375,198.54 × 117,075.28
  4. Step 4: Simplify right side
    250,307.32x = 43,926,474,595.09
  5. Step 5: Solve for x
    x = 43,926,474,595.09/250,307.32
  6. Step 6: Final answer
    x = 175,490.17

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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.