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Finding the Fourth Proportional to 123,907.80, 185,868.76 and 35,154.32

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Solution

The fourth proportional to 123,907.80, 185,868.76 and 35,154.32 is: 52,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,907.80 : 185,868.76 = 35,154.32 : x
  2. Step 2: Convert to fraction form
    123,907.80/185,868.76 = 35,154.32/x
  3. Step 3: Cross multiply
    123,907.80x = 185,868.76 × 35,154.32
  4. Step 4: Simplify right side
    123,907.80x = 6,534,089,867.04
  5. Step 5: Solve for x
    x = 6,534,089,867.04/123,907.80
  6. Step 6: Final answer
    x = 52,733.48

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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.