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Finding the Fourth Proportional to 616,710.16, 925,126.80 and 167,438.26

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Solution

The fourth proportional to 616,710.16, 925,126.80 and 167,438.26 is: 251,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,710.16 : 925,126.80 = 167,438.26 : x
  2. Step 2: Convert to fraction form
    616,710.16/925,126.80 = 167,438.26/x
  3. Step 3: Cross multiply
    616,710.16x = 925,126.80 × 167,438.26
  4. Step 4: Simplify right side
    616,710.16x = 154,901,621,671.37
  5. Step 5: Solve for x
    x = 154,901,621,671.37/616,710.16
  6. Step 6: Final answer
    x = 251,174.10

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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.