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Finding the Fourth Proportional to 169,751.65, 254,666.85 and 49,803.75

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Solution

The fourth proportional to 169,751.65, 254,666.85 and 49,803.75 is: 74,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,751.65 : 254,666.85 = 49,803.75 : x
  2. Step 2: Convert to fraction form
    169,751.65/254,666.85 = 49,803.75/x
  3. Step 3: Cross multiply
    169,751.65x = 254,666.85 × 49,803.75
  4. Step 4: Simplify right side
    169,751.65x = 12,683,364,130.69
  5. Step 5: Solve for x
    x = 12,683,364,130.69/169,751.65
  6. Step 6: Final answer
    x = 74,717.18

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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.