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Finding the Fourth Proportional to 163,767.90, 245,638.89 and 58,575.90

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Solution

The fourth proportional to 163,767.90, 245,638.89 and 58,575.90 is: 87,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,767.90 : 245,638.89 = 58,575.90 : x
  2. Step 2: Convert to fraction form
    163,767.90/245,638.89 = 58,575.90/x
  3. Step 3: Cross multiply
    163,767.90x = 245,638.89 × 58,575.90
  4. Step 4: Simplify right side
    163,767.90x = 14,388,519,056.75
  5. Step 5: Solve for x
    x = 14,388,519,056.75/163,767.90
  6. Step 6: Final answer
    x = 87,859.21

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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.