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Finding the Fourth Proportional to 360,528.50, 540,794.19 and 97,872.50

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Solution

The fourth proportional to 360,528.50, 540,794.19 and 97,872.50 is: 146,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,528.50 : 540,794.19 = 97,872.50 : x
  2. Step 2: Convert to fraction form
    360,528.50/540,794.19 = 97,872.50/x
  3. Step 3: Cross multiply
    360,528.50x = 540,794.19 × 97,872.50
  4. Step 4: Simplify right side
    360,528.50x = 52,928,879,360.78
  5. Step 5: Solve for x
    x = 52,928,879,360.78/360,528.50
  6. Step 6: Final answer
    x = 146,809.14

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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.