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Finding the Fourth Proportional to 239,117.63, 358,698.45 and 61,625.30

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Solution

The fourth proportional to 239,117.63, 358,698.45 and 61,625.30 is: 92,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,117.63 : 358,698.45 = 61,625.30 : x
  2. Step 2: Convert to fraction form
    239,117.63/358,698.45 = 61,625.30/x
  3. Step 3: Cross multiply
    239,117.63x = 358,698.45 × 61,625.30
  4. Step 4: Simplify right side
    239,117.63x = 22,104,899,590.79
  5. Step 5: Solve for x
    x = 22,104,899,590.79/239,117.63
  6. Step 6: Final answer
    x = 92,443.62

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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.