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Finding the Fourth Proportional to 163,706.77, 245,535.86 and 45,365.77

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Solution

The fourth proportional to 163,706.77, 245,535.86 and 45,365.77 is: 68,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,706.77 : 245,535.86 = 45,365.77 : x
  2. Step 2: Convert to fraction form
    163,706.77/245,535.86 = 45,365.77/x
  3. Step 3: Cross multiply
    163,706.77x = 245,535.86 × 45,365.77
  4. Step 4: Simplify right side
    163,706.77x = 11,138,923,124.68
  5. Step 5: Solve for x
    x = 11,138,923,124.68/163,706.77
  6. Step 6: Final answer
    x = 68,041.92

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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.