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Finding the Fourth Proportional to 113,223.70, 169,901.16 and 46,651.42

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Solution

The fourth proportional to 113,223.70, 169,901.16 and 46,651.42 is: 70,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,223.70 : 169,901.16 = 46,651.42 : x
  2. Step 2: Convert to fraction form
    113,223.70/169,901.16 = 46,651.42/x
  3. Step 3: Cross multiply
    113,223.70x = 169,901.16 × 46,651.42
  4. Step 4: Simplify right side
    113,223.70x = 7,926,130,373.65
  5. Step 5: Solve for x
    x = 7,926,130,373.65/113,223.70
  6. Step 6: Final answer
    x = 70,004.16

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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.