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Finding the Fourth Proportional to 189,482.88, 284,396.44 and 100,810.56

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Solution

The fourth proportional to 189,482.88, 284,396.44 and 100,810.56 is: 151,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,482.88 : 284,396.44 = 100,810.56 : x
  2. Step 2: Convert to fraction form
    189,482.88/284,396.44 = 100,810.56/x
  3. Step 3: Cross multiply
    189,482.88x = 284,396.44 × 100,810.56
  4. Step 4: Simplify right side
    189,482.88x = 28,670,164,378.41
  5. Step 5: Solve for x
    x = 28,670,164,378.41/189,482.88
  6. Step 6: Final answer
    x = 151,307.41

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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.