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Finding the Fourth Proportional to 238,854.98, 357,945.51 and 186,030.02

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Solution

The fourth proportional to 238,854.98, 357,945.51 and 186,030.02 is: 278,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,854.98 : 357,945.51 = 186,030.02 : x
  2. Step 2: Convert to fraction form
    238,854.98/357,945.51 = 186,030.02/x
  3. Step 3: Cross multiply
    238,854.98x = 357,945.51 × 186,030.02
  4. Step 4: Simplify right side
    238,854.98x = 66,588,611,976.69
  5. Step 5: Solve for x
    x = 66,588,611,976.69/238,854.98
  6. Step 6: Final answer
    x = 278,782.60

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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.