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Finding the Fourth Proportional to 146,284.80, 205,075.20 and 146,284.80

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Solution

The fourth proportional to 146,284.80, 205,075.20 and 146,284.80 is: 205,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,284.80 : 205,075.20 = 146,284.80 : x
  2. Step 2: Convert to fraction form
    146,284.80/205,075.20 = 146,284.80/x
  3. Step 3: Cross multiply
    146,284.80x = 205,075.20 × 146,284.80
  4. Step 4: Simplify right side
    146,284.80x = 29,999,384,616.96
  5. Step 5: Solve for x
    x = 29,999,384,616.96/146,284.80
  6. Step 6: Final answer
    x = 205,075.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.