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Finding the Fourth Proportional to 238,530.34, 357,807.91 and 61,038.98

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Solution

The fourth proportional to 238,530.34, 357,807.91 and 61,038.98 is: 91,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,530.34 : 357,807.91 = 61,038.98 : x
  2. Step 2: Convert to fraction form
    238,530.34/357,807.91 = 61,038.98/x
  3. Step 3: Cross multiply
    238,530.34x = 357,807.91 × 61,038.98
  4. Step 4: Simplify right side
    238,530.34x = 21,840,229,862.33
  5. Step 5: Solve for x
    x = 21,840,229,862.33/238,530.34
  6. Step 6: Final answer
    x = 91,561.64

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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.