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Finding the Fourth Proportional to 188,444.41, 260,075.41 and 111,964.12

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Solution

The fourth proportional to 188,444.41, 260,075.41 and 111,964.12 is: 154,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,444.41 : 260,075.41 = 111,964.12 : x
  2. Step 2: Convert to fraction form
    188,444.41/260,075.41 = 111,964.12/x
  3. Step 3: Cross multiply
    188,444.41x = 260,075.41 × 111,964.12
  4. Step 4: Simplify right side
    188,444.41x = 29,119,114,947.11
  5. Step 5: Solve for x
    x = 29,119,114,947.11/188,444.41
  6. Step 6: Final answer
    x = 154,523.64

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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.