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Finding the Fourth Proportional to 178,079.41, 245,749.53 and 97,506.91

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Solution

The fourth proportional to 178,079.41, 245,749.53 and 97,506.91 is: 134,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,079.41 : 245,749.53 = 97,506.91 : x
  2. Step 2: Convert to fraction form
    178,079.41/245,749.53 = 97,506.91/x
  3. Step 3: Cross multiply
    178,079.41x = 245,749.53 × 97,506.91
  4. Step 4: Simplify right side
    178,079.41x = 23,962,277,304.25
  5. Step 5: Solve for x
    x = 23,962,277,304.25/178,079.41
  6. Step 6: Final answer
    x = 134,559.51

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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.