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Finding the Fourth Proportional to 115,548.49, 159,457.97 and 67,802.63

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Solution

The fourth proportional to 115,548.49, 159,457.97 and 67,802.63 is: 93,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,548.49 : 159,457.97 = 67,802.63 : x
  2. Step 2: Convert to fraction form
    115,548.49/159,457.97 = 67,802.63/x
  3. Step 3: Cross multiply
    115,548.49x = 159,457.97 × 67,802.63
  4. Step 4: Simplify right side
    115,548.49x = 10,811,669,401.45
  5. Step 5: Solve for x
    x = 10,811,669,401.45/115,548.49
  6. Step 6: Final answer
    x = 93,568.25

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1.5x scale

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.