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Finding the Fourth Proportional to 97,723.30, 137,089.10 and 97,723.30

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Solution

The fourth proportional to 97,723.30, 137,089.10 and 97,723.30 is: 137,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,723.30 : 137,089.10 = 97,723.30 : x
  2. Step 2: Convert to fraction form
    97,723.30/137,089.10 = 97,723.30/x
  3. Step 3: Cross multiply
    97,723.30x = 137,089.10 × 97,723.30
  4. Step 4: Simplify right side
    97,723.30x = 13,396,799,246.03
  5. Step 5: Solve for x
    x = 13,396,799,246.03/97,723.30
  6. Step 6: Final answer
    x = 137,089.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.