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Finding the Fourth Proportional to 178,369.86, 245,966.64 and 124,635.26

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Solution

The fourth proportional to 178,369.86, 245,966.64 and 124,635.26 is: 171,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,369.86 : 245,966.64 = 124,635.26 : x
  2. Step 2: Convert to fraction form
    178,369.86/245,966.64 = 124,635.26/x
  3. Step 3: Cross multiply
    178,369.86x = 245,966.64 × 124,635.26
  4. Step 4: Simplify right side
    178,369.86x = 30,656,116,127.73
  5. Step 5: Solve for x
    x = 30,656,116,127.73/178,369.86
  6. Step 6: Final answer
    x = 171,868.25

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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.