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Finding the Fourth Proportional to 228,050.30, 342,075.45 and 103,634.30

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Solution

The fourth proportional to 228,050.30, 342,075.45 and 103,634.30 is: 155,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,050.30 : 342,075.45 = 103,634.30 : x
  2. Step 2: Convert to fraction form
    228,050.30/342,075.45 = 103,634.30/x
  3. Step 3: Cross multiply
    228,050.30x = 342,075.45 × 103,634.30
  4. Step 4: Simplify right side
    228,050.30x = 35,450,749,807.94
  5. Step 5: Solve for x
    x = 35,450,749,807.94/228,050.30
  6. Step 6: Final answer
    x = 155,451.45

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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.