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Finding the Fourth Proportional to 104,493.49, 144,245.17 and 70,547.96

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Solution

The fourth proportional to 104,493.49, 144,245.17 and 70,547.96 is: 97,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.49 : 144,245.17 = 70,547.96 : x
  2. Step 2: Convert to fraction form
    104,493.49/144,245.17 = 70,547.96/x
  3. Step 3: Cross multiply
    104,493.49x = 144,245.17 × 70,547.96
  4. Step 4: Simplify right side
    104,493.49x = 10,176,202,130.61
  5. Step 5: Solve for x
    x = 10,176,202,130.61/104,493.49
  6. Step 6: Final answer
    x = 97,385.99

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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.