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Finding the Fourth Proportional to 360,172.92, 540,290.06 and 107,437.12

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Solution

The fourth proportional to 360,172.92, 540,290.06 and 107,437.12 is: 161,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,172.92 : 540,290.06 = 107,437.12 : x
  2. Step 2: Convert to fraction form
    360,172.92/540,290.06 = 107,437.12/x
  3. Step 3: Cross multiply
    360,172.92x = 540,290.06 × 107,437.12
  4. Step 4: Simplify right side
    360,172.92x = 58,047,208,011.03
  5. Step 5: Solve for x
    x = 58,047,208,011.03/360,172.92
  6. Step 6: Final answer
    x = 161,164.83

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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.