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Finding the Fourth Proportional to 189,075.60, 283,613.40 and 133,088.40

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Solution

The fourth proportional to 189,075.60, 283,613.40 and 133,088.40 is: 199,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,075.60 : 283,613.40 = 133,088.40 : x
  2. Step 2: Convert to fraction form
    189,075.60/283,613.40 = 133,088.40/x
  3. Step 3: Cross multiply
    189,075.60x = 283,613.40 × 133,088.40
  4. Step 4: Simplify right side
    189,075.60x = 37,745,653,624.56
  5. Step 5: Solve for x
    x = 37,745,653,624.56/189,075.60
  6. Step 6: Final answer
    x = 199,632.60

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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.