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Finding the Fourth Proportional to 254,603.75, 351,314.15 and 147,153.06

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Solution

The fourth proportional to 254,603.75, 351,314.15 and 147,153.06 is: 203,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,603.75 : 351,314.15 = 147,153.06 : x
  2. Step 2: Convert to fraction form
    254,603.75/351,314.15 = 147,153.06/x
  3. Step 3: Cross multiply
    254,603.75x = 351,314.15 × 147,153.06
  4. Step 4: Simplify right side
    254,603.75x = 51,696,951,458.03
  5. Step 5: Solve for x
    x = 51,696,951,458.03/254,603.75
  6. Step 6: Final answer
    x = 203,048.67

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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.