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Finding the Fourth Proportional to 219,597.12, 301,880.52 and 188,857.80

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Solution

The fourth proportional to 219,597.12, 301,880.52 and 188,857.80 is: 259,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,597.12 : 301,880.52 = 188,857.80 : x
  2. Step 2: Convert to fraction form
    219,597.12/301,880.52 = 188,857.80/x
  3. Step 3: Cross multiply
    219,597.12x = 301,880.52 × 188,857.80
  4. Step 4: Simplify right side
    219,597.12x = 57,012,490,870.06
  5. Step 5: Solve for x
    x = 57,012,490,870.06/219,597.12
  6. Step 6: Final answer
    x = 259,623.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.