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Finding the Fourth Proportional to 223,400.30, 335,100.45 and 98,984.30

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Solution

The fourth proportional to 223,400.30, 335,100.45 and 98,984.30 is: 148,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,400.30 : 335,100.45 = 98,984.30 : x
  2. Step 2: Convert to fraction form
    223,400.30/335,100.45 = 98,984.30/x
  3. Step 3: Cross multiply
    223,400.30x = 335,100.45 × 98,984.30
  4. Step 4: Simplify right side
    223,400.30x = 33,169,683,472.94
  5. Step 5: Solve for x
    x = 33,169,683,472.94/223,400.30
  6. Step 6: Final answer
    x = 148,476.45

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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.