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Finding the Fourth Proportional to 165,075.70, 247,613.55 and 40,416.70

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Solution

The fourth proportional to 165,075.70, 247,613.55 and 40,416.70 is: 60,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075.70 : 247,613.55 = 40,416.70 : x
  2. Step 2: Convert to fraction form
    165,075.70/247,613.55 = 40,416.70/x
  3. Step 3: Cross multiply
    165,075.70x = 247,613.55 × 40,416.70
  4. Step 4: Simplify right side
    165,075.70x = 10,007,722,566.29
  5. Step 5: Solve for x
    x = 10,007,722,566.29/165,075.70
  6. Step 6: Final answer
    x = 60,625.05

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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.