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Finding the Fourth Proportional to 238,347.51, 357,520.94 and 60,854.55

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Solution

The fourth proportional to 238,347.51, 357,520.94 and 60,854.55 is: 91,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,347.51 : 357,520.94 = 60,854.55 : x
  2. Step 2: Convert to fraction form
    238,347.51/357,520.94 = 60,854.55/x
  3. Step 3: Cross multiply
    238,347.51x = 357,520.94 × 60,854.55
  4. Step 4: Simplify right side
    238,347.51x = 21,756,775,615.00
  5. Step 5: Solve for x
    x = 21,756,775,615.00/238,347.51
  6. Step 6: Final answer
    x = 91,281.74

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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.