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Finding the Fourth Proportional to 153,167.01, 229,750.61 and 47,994.21

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Solution

The fourth proportional to 153,167.01, 229,750.61 and 47,994.21 is: 71,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,167.01 : 229,750.61 = 47,994.21 : x
  2. Step 2: Convert to fraction form
    153,167.01/229,750.61 = 47,994.21/x
  3. Step 3: Cross multiply
    153,167.01x = 229,750.61 × 47,994.21
  4. Step 4: Simplify right side
    153,167.01x = 11,026,698,784.00
  5. Step 5: Solve for x
    x = 11,026,698,784.00/153,167.01
  6. Step 6: Final answer
    x = 71,991.34

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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.