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Finding the Fourth Proportional to 238,084.70, 357,127.05 and 185,533.52

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Solution

The fourth proportional to 238,084.70, 357,127.05 and 185,533.52 is: 278,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,084.70 : 357,127.05 = 185,533.52 : x
  2. Step 2: Convert to fraction form
    238,084.70/357,127.05 = 185,533.52/x
  3. Step 3: Cross multiply
    238,084.70x = 357,127.05 × 185,533.52
  4. Step 4: Simplify right side
    238,084.70x = 66,259,038,673.72
  5. Step 5: Solve for x
    x = 66,259,038,673.72/238,084.70
  6. Step 6: Final answer
    x = 278,300.28

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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.