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Finding the Fourth Proportional to 233,219.94, 349,828.71 and 91,079.64

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Solution

The fourth proportional to 233,219.94, 349,828.71 and 91,079.64 is: 136,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,219.94 : 349,828.71 = 91,079.64 : x
  2. Step 2: Convert to fraction form
    233,219.94/349,828.71 = 91,079.64/x
  3. Step 3: Cross multiply
    233,219.94x = 349,828.71 × 91,079.64
  4. Step 4: Simplify right side
    233,219.94x = 31,862,272,968.46
  5. Step 5: Solve for x
    x = 31,862,272,968.46/233,219.94
  6. Step 6: Final answer
    x = 136,618.99

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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.