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Finding the Fourth Proportional to 163,625.70, 245,438.55 and 58,448.10

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Solution

The fourth proportional to 163,625.70, 245,438.55 and 58,448.10 is: 87,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,625.70 : 245,438.55 = 58,448.10 : x
  2. Step 2: Convert to fraction form
    163,625.70/245,438.55 = 58,448.10/x
  3. Step 3: Cross multiply
    163,625.70x = 245,438.55 × 58,448.10
  4. Step 4: Simplify right side
    163,625.70x = 14,345,416,914.26
  5. Step 5: Solve for x
    x = 14,345,416,914.26/163,625.70
  6. Step 6: Final answer
    x = 87,672.15

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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.