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Finding the Fourth Proportional to 238,681.59, 357,995.65 and 61,192.77

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Solution

The fourth proportional to 238,681.59, 357,995.65 and 61,192.77 is: 91,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,681.59 : 357,995.65 = 61,192.77 : x
  2. Step 2: Convert to fraction form
    238,681.59/357,995.65 = 61,192.77/x
  3. Step 3: Cross multiply
    238,681.59x = 357,995.65 × 61,192.77
  4. Step 4: Simplify right side
    238,681.59x = 21,906,745,471.45
  5. Step 5: Solve for x
    x = 21,906,745,471.45/238,681.59
  6. Step 6: Final answer
    x = 91,782.30

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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.