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Finding the Fourth Proportional to 223,539.40, 335,309.10 and 118,563.40

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Solution

The fourth proportional to 223,539.40, 335,309.10 and 118,563.40 is: 177,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,539.40 : 335,309.10 = 118,563.40 : x
  2. Step 2: Convert to fraction form
    223,539.40/335,309.10 = 118,563.40/x
  3. Step 3: Cross multiply
    223,539.40x = 335,309.10 × 118,563.40
  4. Step 4: Simplify right side
    223,539.40x = 39,755,386,946.94
  5. Step 5: Solve for x
    x = 39,755,386,946.94/223,539.40
  6. Step 6: Final answer
    x = 177,845.10

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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.