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Finding the Fourth Proportional to 145,907.88, 218,779.74 and 46,049.46

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Solution

The fourth proportional to 145,907.88, 218,779.74 and 46,049.46 is: 69,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,907.88 : 218,779.74 = 46,049.46 : x
  2. Step 2: Convert to fraction form
    145,907.88/218,779.74 = 46,049.46/x
  3. Step 3: Cross multiply
    145,907.88x = 218,779.74 × 46,049.46
  4. Step 4: Simplify right side
    145,907.88x = 10,074,688,885.94
  5. Step 5: Solve for x
    x = 10,074,688,885.94/145,907.88
  6. Step 6: Final answer
    x = 69,048.29

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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.