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Finding the Fourth Proportional to 147,446.72, 201,848.56 and 146,392.64

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Solution

The fourth proportional to 147,446.72, 201,848.56 and 146,392.64 is: 200,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,446.72 : 201,848.56 = 146,392.64 : x
  2. Step 2: Convert to fraction form
    147,446.72/201,848.56 = 146,392.64/x
  3. Step 3: Cross multiply
    147,446.72x = 201,848.56 × 146,392.64
  4. Step 4: Simplify right side
    147,446.72x = 29,549,143,578.60
  5. Step 5: Solve for x
    x = 29,549,143,578.60/147,446.72
  6. Step 6: Final answer
    x = 200,405.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.