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Finding the Fourth Proportional to 145,352.54, 200,529.56 and 107,203.67

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Solution

The fourth proportional to 145,352.54, 200,529.56 and 107,203.67 is: 147,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,352.54 : 200,529.56 = 107,203.67 : x
  2. Step 2: Convert to fraction form
    145,352.54/200,529.56 = 107,203.67/x
  3. Step 3: Cross multiply
    145,352.54x = 200,529.56 × 107,203.67
  4. Step 4: Simplify right side
    145,352.54x = 21,497,503,236.82
  5. Step 5: Solve for x
    x = 21,497,503,236.82/145,352.54
  6. Step 6: Final answer
    x = 147,899.06

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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.