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Finding the Fourth Proportional to 358,467.74, 537,649.70 and 105,735.74

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Solution

The fourth proportional to 358,467.74, 537,649.70 and 105,735.74 is: 158,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,467.74 : 537,649.70 = 105,735.74 : x
  2. Step 2: Convert to fraction form
    358,467.74/537,649.70 = 105,735.74/x
  3. Step 3: Cross multiply
    358,467.74x = 537,649.70 × 105,735.74
  4. Step 4: Simplify right side
    358,467.74x = 56,848,785,673.35
  5. Step 5: Solve for x
    x = 56,848,785,673.35/358,467.74
  6. Step 6: Final answer
    x = 158,588.29

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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.