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Finding the Fourth Proportional to 163,796.48, 245,696.10 and 45,477.05

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Solution

The fourth proportional to 163,796.48, 245,696.10 and 45,477.05 is: 68,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,796.48 : 245,696.10 = 45,477.05 : x
  2. Step 2: Convert to fraction form
    163,796.48/245,696.10 = 45,477.05/x
  3. Step 3: Cross multiply
    163,796.48x = 245,696.10 × 45,477.05
  4. Step 4: Simplify right side
    163,796.48x = 11,173,533,824.51
  5. Step 5: Solve for x
    x = 11,173,533,824.51/163,796.48
  6. Step 6: Final answer
    x = 68,215.96

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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.