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Finding the Fourth Proportional to 238,859.74, 358,277.80 and 89,088.36

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Solution

The fourth proportional to 238,859.74, 358,277.80 and 89,088.36 is: 133,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,859.74 : 358,277.80 = 89,088.36 : x
  2. Step 2: Convert to fraction form
    238,859.74/358,277.80 = 89,088.36/x
  3. Step 3: Cross multiply
    238,859.74x = 358,277.80 × 89,088.36
  4. Step 4: Simplify right side
    238,859.74x = 31,918,379,851.35
  5. Step 5: Solve for x
    x = 31,918,379,851.35/238,859.74
  6. Step 6: Final answer
    x = 133,628.13

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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.