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Finding the Fourth Proportional to 134,180.80, 201,040.80 and 70,907.20

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Solution

The fourth proportional to 134,180.80, 201,040.80 and 70,907.20 is: 106,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,180.80 : 201,040.80 = 70,907.20 : x
  2. Step 2: Convert to fraction form
    134,180.80/201,040.80 = 70,907.20/x
  3. Step 3: Cross multiply
    134,180.80x = 201,040.80 × 70,907.20
  4. Step 4: Simplify right side
    134,180.80x = 14,255,240,213.76
  5. Step 5: Solve for x
    x = 14,255,240,213.76/134,180.80
  6. Step 6: Final answer
    x = 106,239.05

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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.