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Finding the Fourth Proportional to 163,312.58, 244,971.30 and 58,128.82

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Solution

The fourth proportional to 163,312.58, 244,971.30 and 58,128.82 is: 87,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312.58 : 244,971.30 = 58,128.82 : x
  2. Step 2: Convert to fraction form
    163,312.58/244,971.30 = 58,128.82/x
  3. Step 3: Cross multiply
    163,312.58x = 244,971.30 × 58,128.82
  4. Step 4: Simplify right side
    163,312.58x = 14,239,892,602.87
  5. Step 5: Solve for x
    x = 14,239,892,602.87/163,312.58
  6. Step 6: Final answer
    x = 87,194.09

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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.