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Finding the Fourth Proportional to 163,573.96, 245,360.64 and 51,262.78

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Solution

The fourth proportional to 163,573.96, 245,360.64 and 51,262.78 is: 76,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,573.96 : 245,360.64 = 51,262.78 : x
  2. Step 2: Convert to fraction form
    163,573.96/245,360.64 = 51,262.78/x
  3. Step 3: Cross multiply
    163,573.96x = 245,360.64 × 51,262.78
  4. Step 4: Simplify right side
    163,573.96x = 12,577,868,508.98
  5. Step 5: Solve for x
    x = 12,577,868,508.98/163,573.96
  6. Step 6: Final answer
    x = 76,894.08

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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.