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Finding the Fourth Proportional to 223,428.90, 335,151.45 and 65,673.30

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Solution

The fourth proportional to 223,428.90, 335,151.45 and 65,673.30 is: 98,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,428.90 : 335,151.45 = 65,673.30 : x
  2. Step 2: Convert to fraction form
    223,428.90/335,151.45 = 65,673.30/x
  3. Step 3: Cross multiply
    223,428.90x = 335,151.45 × 65,673.30
  4. Step 4: Simplify right side
    223,428.90x = 22,010,501,721.29
  5. Step 5: Solve for x
    x = 22,010,501,721.29/223,428.90
  6. Step 6: Final answer
    x = 98,512.33

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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.