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Finding the Fourth Proportional to 123,907.50, 185,860.62 and 35,161.16

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Solution

The fourth proportional to 123,907.50, 185,860.62 and 35,161.16 is: 52,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,907.50 : 185,860.62 = 35,161.16 : x
  2. Step 2: Convert to fraction form
    123,907.50/185,860.62 = 35,161.16/x
  3. Step 3: Cross multiply
    123,907.50x = 185,860.62 × 35,161.16
  4. Step 4: Simplify right side
    123,907.50x = 6,535,074,068.22
  5. Step 5: Solve for x
    x = 6,535,074,068.22/123,907.50
  6. Step 6: Final answer
    x = 52,741.55

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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.