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Finding the Fourth Proportional to 97,349.77, 134,403.50 and 74,645.14

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Solution

The fourth proportional to 97,349.77, 134,403.50 and 74,645.14 is: 103,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,349.77 : 134,403.50 = 74,645.14 : x
  2. Step 2: Convert to fraction form
    97,349.77/134,403.50 = 74,645.14/x
  3. Step 3: Cross multiply
    97,349.77x = 134,403.50 × 74,645.14
  4. Step 4: Simplify right side
    97,349.77x = 10,032,568,073.99
  5. Step 5: Solve for x
    x = 10,032,568,073.99/97,349.77
  6. Step 6: Final answer
    x = 103,056.93

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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.