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Finding the Fourth Proportional to 170,362.94, 255,381.71 and 63,717.98

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Solution

The fourth proportional to 170,362.94, 255,381.71 and 63,717.98 is: 95,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,362.94 : 255,381.71 = 63,717.98 : x
  2. Step 2: Convert to fraction form
    170,362.94/255,381.71 = 63,717.98/x
  3. Step 3: Cross multiply
    170,362.94x = 255,381.71 × 63,717.98
  4. Step 4: Simplify right side
    170,362.94x = 16,272,405,094.65
  5. Step 5: Solve for x
    x = 16,272,405,094.65/170,362.94
  6. Step 6: Final answer
    x = 95,516.11

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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.