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Finding the Fourth Proportional to 146,803.30, 205,801.10 and 146,803.30

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Solution

The fourth proportional to 146,803.30, 205,801.10 and 146,803.30 is: 205,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,803.30 : 205,801.10 = 146,803.30 : x
  2. Step 2: Convert to fraction form
    146,803.30/205,801.10 = 146,803.30/x
  3. Step 3: Cross multiply
    146,803.30x = 205,801.10 × 146,803.30
  4. Step 4: Simplify right side
    146,803.30x = 30,212,280,623.63
  5. Step 5: Solve for x
    x = 30,212,280,623.63/146,803.30
  6. Step 6: Final answer
    x = 205,801.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.