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Finding the Fourth Proportional to 104,908.30, 157,378.09 and 37,435.08

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Solution

The fourth proportional to 104,908.30, 157,378.09 and 37,435.08 is: 56,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,908.30 : 157,378.09 = 37,435.08 : x
  2. Step 2: Convert to fraction form
    104,908.30/157,378.09 = 37,435.08/x
  3. Step 3: Cross multiply
    104,908.30x = 157,378.09 × 37,435.08
  4. Step 4: Simplify right side
    104,908.30x = 5,891,461,389.40
  5. Step 5: Solve for x
    x = 5,891,461,389.40/104,908.30
  6. Step 6: Final answer
    x = 56,158.20

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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.