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Finding the Fourth Proportional to 101,271.70, 151,907.55 and 99,522.10

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Solution

The fourth proportional to 101,271.70, 151,907.55 and 99,522.10 is: 149,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,271.70 : 151,907.55 = 99,522.10 : x
  2. Step 2: Convert to fraction form
    101,271.70/151,907.55 = 99,522.10/x
  3. Step 3: Cross multiply
    101,271.70x = 151,907.55 × 99,522.10
  4. Step 4: Simplify right side
    101,271.70x = 15,118,158,381.86
  5. Step 5: Solve for x
    x = 15,118,158,381.86/101,271.70
  6. Step 6: Final answer
    x = 149,283.15

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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.