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Finding the Fourth Proportional to 238,653.26, 357,929.54 and 70,127.82

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Solution

The fourth proportional to 238,653.26, 357,929.54 and 70,127.82 is: 105,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,653.26 : 357,929.54 = 70,127.82 : x
  2. Step 2: Convert to fraction form
    238,653.26/357,929.54 = 70,127.82/x
  3. Step 3: Cross multiply
    238,653.26x = 357,929.54 × 70,127.82
  4. Step 4: Simplify right side
    238,653.26x = 25,100,818,353.80
  5. Step 5: Solve for x
    x = 25,100,818,353.80/238,653.26
  6. Step 6: Final answer
    x = 105,176.93

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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.