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Finding the Fourth Proportional to 265,004.32, 365,624.16 and 161,660.36

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Solution

The fourth proportional to 265,004.32, 365,624.16 and 161,660.36 is: 223,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,004.32 : 365,624.16 = 161,660.36 : x
  2. Step 2: Convert to fraction form
    265,004.32/365,624.16 = 161,660.36/x
  3. Step 3: Cross multiply
    265,004.32x = 365,624.16 × 161,660.36
  4. Step 4: Simplify right side
    265,004.32x = 59,106,933,330.30
  5. Step 5: Solve for x
    x = 59,106,933,330.30/265,004.32
  6. Step 6: Final answer
    x = 223,041.40

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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.