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Finding the Fourth Proportional to 104,703, 157,026.76 and 45,525.22

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Solution

The fourth proportional to 104,703, 157,026.76 and 45,525.22 is: 68,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,703 : 157,026.76 = 45,525.22 : x
  2. Step 2: Convert to fraction form
    104,703/157,026.76 = 45,525.22/x
  3. Step 3: Cross multiply
    104,703x = 157,026.76 × 45,525.22
  4. Step 4: Simplify right side
    104,703x = 7,148,677,794.89
  5. Step 5: Solve for x
    x = 7,148,677,794.89/104,703
  6. Step 6: Final answer
    x = 68,275.77

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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.