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Finding the Fourth Proportional to 115,693.48, 173,496.42 and 63,074.32

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Solution

The fourth proportional to 115,693.48, 173,496.42 and 63,074.32 is: 94,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,693.48 : 173,496.42 = 63,074.32 : x
  2. Step 2: Convert to fraction form
    115,693.48/173,496.42 = 63,074.32/x
  3. Step 3: Cross multiply
    115,693.48x = 173,496.42 × 63,074.32
  4. Step 4: Simplify right side
    115,693.48x = 10,943,168,713.93
  5. Step 5: Solve for x
    x = 10,943,168,713.93/115,693.48
  6. Step 6: Final answer
    x = 94,587.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.