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Finding the Fourth Proportional to 145,874.77, 218,812.19 and 46,045.05

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Solution

The fourth proportional to 145,874.77, 218,812.19 and 46,045.05 is: 69,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,874.77 : 218,812.19 = 46,045.05 : x
  2. Step 2: Convert to fraction form
    145,874.77/218,812.19 = 46,045.05/x
  3. Step 3: Cross multiply
    145,874.77x = 218,812.19 × 46,045.05
  4. Step 4: Simplify right side
    145,874.77x = 10,075,218,229.16
  5. Step 5: Solve for x
    x = 10,075,218,229.16/145,874.77
  6. Step 6: Final answer
    x = 69,067.59

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1.5x scale

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.