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Finding the Fourth Proportional to 344,892.93, 517,417.23 and 105,028.28

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Solution

The fourth proportional to 344,892.93, 517,417.23 and 105,028.28 is: 157,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,892.93 : 517,417.23 = 105,028.28 : x
  2. Step 2: Convert to fraction form
    344,892.93/517,417.23 = 105,028.28/x
  3. Step 3: Cross multiply
    344,892.93x = 517,417.23 × 105,028.28
  4. Step 4: Simplify right side
    344,892.93x = 54,343,439,122.18
  5. Step 5: Solve for x
    x = 54,343,439,122.18/344,892.93
  6. Step 6: Final answer
    x = 157,566.12

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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.