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Finding the Fourth Proportional to 210,075.33, 289,928.47 and 119,444.88

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Solution

The fourth proportional to 210,075.33, 289,928.47 and 119,444.88 is: 164,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,075.33 : 289,928.47 = 119,444.88 : x
  2. Step 2: Convert to fraction form
    210,075.33/289,928.47 = 119,444.88/x
  3. Step 3: Cross multiply
    210,075.33x = 289,928.47 × 119,444.88
  4. Step 4: Simplify right side
    210,075.33x = 34,630,469,260.87
  5. Step 5: Solve for x
    x = 34,630,469,260.87/210,075.33
  6. Step 6: Final answer
    x = 164,847.86

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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.