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Finding the Fourth Proportional to 108,059.70, 149,136.48 and 60,322.98

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Solution

The fourth proportional to 108,059.70, 149,136.48 and 60,322.98 is: 83,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,059.70 : 149,136.48 = 60,322.98 : x
  2. Step 2: Convert to fraction form
    108,059.70/149,136.48 = 60,322.98/x
  3. Step 3: Cross multiply
    108,059.70x = 149,136.48 × 60,322.98
  4. Step 4: Simplify right side
    108,059.70x = 8,996,356,900.31
  5. Step 5: Solve for x
    x = 8,996,356,900.31/108,059.70
  6. Step 6: Final answer
    x = 83,253.58

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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.