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Finding the Fourth Proportional to 108,245.35, 149,368.62 and 60,497.07

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Solution

The fourth proportional to 108,245.35, 149,368.62 and 60,497.07 is: 83,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,245.35 : 149,368.62 = 60,497.07 : x
  2. Step 2: Convert to fraction form
    108,245.35/149,368.62 = 60,497.07/x
  3. Step 3: Cross multiply
    108,245.35x = 149,368.62 × 60,497.07
  4. Step 4: Simplify right side
    108,245.35x = 9,036,363,859.94
  5. Step 5: Solve for x
    x = 9,036,363,859.94/108,245.35
  6. Step 6: Final answer
    x = 83,480.39

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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.