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Finding the Fourth Proportional to 254,751.13, 350,948.94 and 178,126.84

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Solution

The fourth proportional to 254,751.13, 350,948.94 and 178,126.84 is: 245,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,751.13 : 350,948.94 = 178,126.84 : x
  2. Step 2: Convert to fraction form
    254,751.13/350,948.94 = 178,126.84/x
  3. Step 3: Cross multiply
    254,751.13x = 350,948.94 × 178,126.84
  4. Step 4: Simplify right side
    254,751.13x = 62,513,425,683.55
  5. Step 5: Solve for x
    x = 62,513,425,683.55/254,751.13
  6. Step 6: Final answer
    x = 245,390.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.