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Finding the Fourth Proportional to 117,116.94, 175,674.95 and 28,370.31

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Solution

The fourth proportional to 117,116.94, 175,674.95 and 28,370.31 is: 42,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,116.94 : 175,674.95 = 28,370.31 : x
  2. Step 2: Convert to fraction form
    117,116.94/175,674.95 = 28,370.31/x
  3. Step 3: Cross multiply
    117,116.94x = 175,674.95 × 28,370.31
  4. Step 4: Simplify right side
    117,116.94x = 4,983,952,790.73
  5. Step 5: Solve for x
    x = 4,983,952,790.73/117,116.94
  6. Step 6: Final answer
    x = 42,555.35

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1.5x scale

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.