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Finding the Fourth Proportional to 114,028.10, 171,042.15 and 51,820.10

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Solution

The fourth proportional to 114,028.10, 171,042.15 and 51,820.10 is: 77,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,028.10 : 171,042.15 = 51,820.10 : x
  2. Step 2: Convert to fraction form
    114,028.10/171,042.15 = 51,820.10/x
  3. Step 3: Cross multiply
    114,028.10x = 171,042.15 × 51,820.10
  4. Step 4: Simplify right side
    114,028.10x = 8,863,421,317.22
  5. Step 5: Solve for x
    x = 8,863,421,317.22/114,028.10
  6. Step 6: Final answer
    x = 77,730.15

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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.