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Finding the Fourth Proportional to 133,075.80, 199,613.70 and 130,451.40

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Solution

The fourth proportional to 133,075.80, 199,613.70 and 130,451.40 is: 195,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.80 : 199,613.70 = 130,451.40 : x
  2. Step 2: Convert to fraction form
    133,075.80/199,613.70 = 130,451.40/x
  3. Step 3: Cross multiply
    133,075.80x = 199,613.70 × 130,451.40
  4. Step 4: Simplify right side
    133,075.80x = 26,039,886,624.18
  5. Step 5: Solve for x
    x = 26,039,886,624.18/133,075.80
  6. Step 6: Final answer
    x = 195,677.10

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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.