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Finding the Fourth Proportional to 114,351.78, 157,810.98 and 69,028.94

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Solution

The fourth proportional to 114,351.78, 157,810.98 and 69,028.94 is: 95,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,351.78 : 157,810.98 = 69,028.94 : x
  2. Step 2: Convert to fraction form
    114,351.78/157,810.98 = 69,028.94/x
  3. Step 3: Cross multiply
    114,351.78x = 157,810.98 × 69,028.94
  4. Step 4: Simplify right side
    114,351.78x = 10,893,525,323.15
  5. Step 5: Solve for x
    x = 10,893,525,323.15/114,351.78
  6. Step 6: Final answer
    x = 95,263.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.