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Finding the Fourth Proportional to 164,798.91, 247,176.48 and 46,479.78

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Solution

The fourth proportional to 164,798.91, 247,176.48 and 46,479.78 is: 69,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,798.91 : 247,176.48 = 46,479.78 : x
  2. Step 2: Convert to fraction form
    164,798.91/247,176.48 = 46,479.78/x
  3. Step 3: Cross multiply
    164,798.91x = 247,176.48 × 46,479.78
  4. Step 4: Simplify right side
    164,798.91x = 11,488,708,411.57
  5. Step 5: Solve for x
    x = 11,488,708,411.57/164,798.91
  6. Step 6: Final answer
    x = 69,713.50

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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.