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Finding the Fourth Proportional to 254,551.76, 351,276.36 and 141,370.64

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Solution

The fourth proportional to 254,551.76, 351,276.36 and 141,370.64 is: 195,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,551.76 : 351,276.36 = 141,370.64 : x
  2. Step 2: Convert to fraction form
    254,551.76/351,276.36 = 141,370.64/x
  3. Step 3: Cross multiply
    254,551.76x = 351,276.36 × 141,370.64
  4. Step 4: Simplify right side
    254,551.76x = 49,660,163,830.07
  5. Step 5: Solve for x
    x = 49,660,163,830.07/254,551.76
  6. Step 6: Final answer
    x = 195,088.67

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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.