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Finding the Fourth Proportional to 113,369.48, 169,867.36 and 65,851.19

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Solution

The fourth proportional to 113,369.48, 169,867.36 and 65,851.19 is: 98,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,369.48 : 169,867.36 = 65,851.19 : x
  2. Step 2: Convert to fraction form
    113,369.48/169,867.36 = 65,851.19/x
  3. Step 3: Cross multiply
    113,369.48x = 169,867.36 × 65,851.19
  4. Step 4: Simplify right side
    113,369.48x = 11,185,967,798.16
  5. Step 5: Solve for x
    x = 11,185,967,798.16/113,369.48
  6. Step 6: Final answer
    x = 98,668.25

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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.