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Finding the Fourth Proportional to 108,635.63, 149,916.70 and 60,888.98

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Solution

The fourth proportional to 108,635.63, 149,916.70 and 60,888.98 is: 84,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,635.63 : 149,916.70 = 60,888.98 : x
  2. Step 2: Convert to fraction form
    108,635.63/149,916.70 = 60,888.98/x
  3. Step 3: Cross multiply
    108,635.63x = 149,916.70 × 60,888.98
  4. Step 4: Simplify right side
    108,635.63x = 9,128,275,170.54
  5. Step 5: Solve for x
    x = 9,128,275,170.54/108,635.63
  6. Step 6: Final answer
    x = 84,026.53

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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.