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Finding the Fourth Proportional to 163,901.80, 245,852.70 and 114,135.40

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Solution

The fourth proportional to 163,901.80, 245,852.70 and 114,135.40 is: 171,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,901.80 : 245,852.70 = 114,135.40 : x
  2. Step 2: Convert to fraction form
    163,901.80/245,852.70 = 114,135.40/x
  3. Step 3: Cross multiply
    163,901.80x = 245,852.70 × 114,135.40
  4. Step 4: Simplify right side
    163,901.80x = 28,060,496,255.58
  5. Step 5: Solve for x
    x = 28,060,496,255.58/163,901.80
  6. Step 6: Final answer
    x = 171,203.10

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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.