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Finding the Fourth Proportional to 131,263.69, 180,762.69 and 114,028.15

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Solution

The fourth proportional to 131,263.69, 180,762.69 and 114,028.15 is: 157,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,263.69 : 180,762.69 = 114,028.15 : x
  2. Step 2: Convert to fraction form
    131,263.69/180,762.69 = 114,028.15/x
  3. Step 3: Cross multiply
    131,263.69x = 180,762.69 × 114,028.15
  4. Step 4: Simplify right side
    131,263.69x = 20,612,035,129.72
  5. Step 5: Solve for x
    x = 20,612,035,129.72/131,263.69
  6. Step 6: Final answer
    x = 157,027.70

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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.