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Finding the Fourth Proportional to 233,631.81, 350,447.73 and 65,145.33

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Solution

The fourth proportional to 233,631.81, 350,447.73 and 65,145.33 is: 97,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,631.81 : 350,447.73 = 65,145.33 : x
  2. Step 2: Convert to fraction form
    233,631.81/350,447.73 = 65,145.33/x
  3. Step 3: Cross multiply
    233,631.81x = 350,447.73 × 65,145.33
  4. Step 4: Simplify right side
    233,631.81x = 22,830,033,018.60
  5. Step 5: Solve for x
    x = 22,830,033,018.60/233,631.81
  6. Step 6: Final answer
    x = 97,718.00

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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.