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Finding the Fourth Proportional to 248,167.01, 372,316.11 and 129,806.57

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Solution

The fourth proportional to 248,167.01, 372,316.11 and 129,806.57 is: 194,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,167.01 : 372,316.11 = 129,806.57 : x
  2. Step 2: Convert to fraction form
    248,167.01/372,316.11 = 129,806.57/x
  3. Step 3: Cross multiply
    248,167.01x = 372,316.11 × 129,806.57
  4. Step 4: Simplify right side
    248,167.01x = 48,329,075,333.26
  5. Step 5: Solve for x
    x = 48,329,075,333.26/248,167.01
  6. Step 6: Final answer
    x = 194,744.16

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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.