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Finding the Fourth Proportional to 108,570.08, 149,835.48 and 60,834.08

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Solution

The fourth proportional to 108,570.08, 149,835.48 and 60,834.08 is: 83,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,570.08 : 149,835.48 = 60,834.08 : x
  2. Step 2: Convert to fraction form
    108,570.08/149,835.48 = 60,834.08/x
  3. Step 3: Cross multiply
    108,570.08x = 149,835.48 × 60,834.08
  4. Step 4: Simplify right side
    108,570.08x = 9,115,103,577.16
  5. Step 5: Solve for x
    x = 9,115,103,577.16/108,570.08
  6. Step 6: Final answer
    x = 83,955.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.