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Finding the Fourth Proportional to 108,294.84, 149,449.46 and 60,547.77

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Solution

The fourth proportional to 108,294.84, 149,449.46 and 60,547.77 is: 83,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,294.84 : 149,449.46 = 60,547.77 : x
  2. Step 2: Convert to fraction form
    108,294.84/149,449.46 = 60,547.77/x
  3. Step 3: Cross multiply
    108,294.84x = 149,449.46 × 60,547.77
  4. Step 4: Simplify right side
    108,294.84x = 9,048,831,227.97
  5. Step 5: Solve for x
    x = 9,048,831,227.97/108,294.84
  6. Step 6: Final answer
    x = 83,557.36

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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.