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Finding the Fourth Proportional to 108,987.58, 150,476.25 and 97,466.75

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Solution

The fourth proportional to 108,987.58, 150,476.25 and 97,466.75 is: 134,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,987.58 : 150,476.25 = 97,466.75 : x
  2. Step 2: Convert to fraction form
    108,987.58/150,476.25 = 97,466.75/x
  3. Step 3: Cross multiply
    108,987.58x = 150,476.25 × 97,466.75
  4. Step 4: Simplify right side
    108,987.58x = 14,666,431,039.69
  5. Step 5: Solve for x
    x = 14,666,431,039.69/108,987.58
  6. Step 6: Final answer
    x = 134,569.75

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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.