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Finding the Fourth Proportional to 265,440.08, 398,145.72 and 107,626.16

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Solution

The fourth proportional to 265,440.08, 398,145.72 and 107,626.16 is: 161,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,440.08 : 398,145.72 = 107,626.16 : x
  2. Step 2: Convert to fraction form
    265,440.08/398,145.72 = 107,626.16/x
  3. Step 3: Cross multiply
    265,440.08x = 398,145.72 × 107,626.16
  4. Step 4: Simplify right side
    265,440.08x = 42,850,894,964.04
  5. Step 5: Solve for x
    x = 42,850,894,964.04/265,440.08
  6. Step 6: Final answer
    x = 161,433.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.