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Finding the Fourth Proportional to 108,513.66, 149,696.02 and 70,262.22

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Solution

The fourth proportional to 108,513.66, 149,696.02 and 70,262.22 is: 96,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,513.66 : 149,696.02 = 70,262.22 : x
  2. Step 2: Convert to fraction form
    108,513.66/149,696.02 = 70,262.22/x
  3. Step 3: Cross multiply
    108,513.66x = 149,696.02 × 70,262.22
  4. Step 4: Simplify right side
    108,513.66x = 10,517,974,690.36
  5. Step 5: Solve for x
    x = 10,517,974,690.36/108,513.66
  6. Step 6: Final answer
    x = 96,927.66

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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.