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Finding the Fourth Proportional to 108,636.33, 149,915.45 and 60,238.45

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Solution

The fourth proportional to 108,636.33, 149,915.45 and 60,238.45 is: 83,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,636.33 : 149,915.45 = 60,238.45 : x
  2. Step 2: Convert to fraction form
    108,636.33/149,915.45 = 60,238.45/x
  3. Step 3: Cross multiply
    108,636.33x = 149,915.45 × 60,238.45
  4. Step 4: Simplify right side
    108,636.33x = 9,030,674,339.05
  5. Step 5: Solve for x
    x = 9,030,674,339.05/108,636.33
  6. Step 6: Final answer
    x = 83,127.57

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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.