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Finding the Fourth Proportional to 112,197, 154,828.31 and 63,804.19

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Solution

The fourth proportional to 112,197, 154,828.31 and 63,804.19 is: 88,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197 : 154,828.31 = 63,804.19 : x
  2. Step 2: Convert to fraction form
    112,197/154,828.31 = 63,804.19/x
  3. Step 3: Cross multiply
    112,197x = 154,828.31 × 63,804.19
  4. Step 4: Simplify right side
    112,197x = 9,878,694,202.53
  5. Step 5: Solve for x
    x = 9,878,694,202.53/112,197
  6. Step 6: Final answer
    x = 88,047.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.