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Finding the Fourth Proportional to 239,155.79, 358,754.34 and 61,661.30

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Solution

The fourth proportional to 239,155.79, 358,754.34 and 61,661.30 is: 92,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,155.79 : 358,754.34 = 61,661.30 : x
  2. Step 2: Convert to fraction form
    239,155.79/358,754.34 = 61,661.30/x
  3. Step 3: Cross multiply
    239,155.79x = 358,754.34 × 61,661.30
  4. Step 4: Simplify right side
    239,155.79x = 22,121,258,985.04
  5. Step 5: Solve for x
    x = 22,121,258,985.04/239,155.79
  6. Step 6: Final answer
    x = 92,497.28

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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.