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Finding the Fourth Proportional to 134,846.40, 202,075.20 and 59,905.20

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Solution

The fourth proportional to 134,846.40, 202,075.20 and 59,905.20 is: 89,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,846.40 : 202,075.20 = 59,905.20 : x
  2. Step 2: Convert to fraction form
    134,846.40/202,075.20 = 59,905.20/x
  3. Step 3: Cross multiply
    134,846.40x = 202,075.20 × 59,905.20
  4. Step 4: Simplify right side
    134,846.40x = 12,105,355,271.04
  5. Step 5: Solve for x
    x = 12,105,355,271.04/134,846.40
  6. Step 6: Final answer
    x = 89,771.44

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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.