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Finding the Fourth Proportional to 250,307.82, 375,199.29 and 117,075.78

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Solution

The fourth proportional to 250,307.82, 375,199.29 and 117,075.78 is: 175,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,307.82 : 375,199.29 = 117,075.78 : x
  2. Step 2: Convert to fraction form
    250,307.82/375,199.29 = 117,075.78/x
  3. Step 3: Cross multiply
    250,307.82x = 375,199.29 × 117,075.78
  4. Step 4: Simplify right side
    250,307.82x = 43,926,749,532.20
  5. Step 5: Solve for x
    x = 43,926,749,532.20/250,307.82
  6. Step 6: Final answer
    x = 175,490.92

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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.