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Finding the Fourth Proportional to 146,643.30, 219,964.95 and 146,643.30

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Solution

The fourth proportional to 146,643.30, 219,964.95 and 146,643.30 is: 219,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643.30 : 219,964.95 = 146,643.30 : x
  2. Step 2: Convert to fraction form
    146,643.30/219,964.95 = 146,643.30/x
  3. Step 3: Cross multiply
    146,643.30x = 219,964.95 × 146,643.30
  4. Step 4: Simplify right side
    146,643.30x = 32,256,386,152.34
  5. Step 5: Solve for x
    x = 32,256,386,152.34/146,643.30
  6. Step 6: Final answer
    x = 219,964.95

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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.