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Finding the Fourth Proportional to 248,805.30, 373,207.95 and 124,389.30

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Solution

The fourth proportional to 248,805.30, 373,207.95 and 124,389.30 is: 186,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,805.30 : 373,207.95 = 124,389.30 : x
  2. Step 2: Convert to fraction form
    248,805.30/373,207.95 = 124,389.30/x
  3. Step 3: Cross multiply
    248,805.30x = 373,207.95 × 124,389.30
  4. Step 4: Simplify right side
    248,805.30x = 46,423,075,654.94
  5. Step 5: Solve for x
    x = 46,423,075,654.94/248,805.30
  6. Step 6: Final answer
    x = 186,583.95

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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.