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Finding the Fourth Proportional to 163,994.88, 245,994.48 and 45,663.36

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Solution

The fourth proportional to 163,994.88, 245,994.48 and 45,663.36 is: 68,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,994.88 : 245,994.48 = 45,663.36 : x
  2. Step 2: Convert to fraction form
    163,994.88/245,994.48 = 45,663.36/x
  3. Step 3: Cross multiply
    163,994.88x = 245,994.48 × 45,663.36
  4. Step 4: Simplify right side
    163,994.88x = 11,232,934,498.25
  5. Step 5: Solve for x
    x = 11,232,934,498.25/163,994.88
  6. Step 6: Final answer
    x = 68,495.64

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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.