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Finding the Fourth Proportional to 371,349.99, 557,046.86 and 105,088.41

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Solution

The fourth proportional to 371,349.99, 557,046.86 and 105,088.41 is: 157,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,349.99 : 557,046.86 = 105,088.41 : x
  2. Step 2: Convert to fraction form
    371,349.99/557,046.86 = 105,088.41/x
  3. Step 3: Cross multiply
    371,349.99x = 557,046.86 × 105,088.41
  4. Step 4: Simplify right side
    371,349.99x = 58,539,168,287.45
  5. Step 5: Solve for x
    x = 58,539,168,287.45/371,349.99
  6. Step 6: Final answer
    x = 157,638.80

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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.