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Finding the Fourth Proportional to 235,561.02, 325,180.35 and 155,030.82

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Solution

The fourth proportional to 235,561.02, 325,180.35 and 155,030.82 is: 214,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,561.02 : 325,180.35 = 155,030.82 : x
  2. Step 2: Convert to fraction form
    235,561.02/325,180.35 = 155,030.82/x
  3. Step 3: Cross multiply
    235,561.02x = 325,180.35 × 155,030.82
  4. Step 4: Simplify right side
    235,561.02x = 50,412,976,308.39
  5. Step 5: Solve for x
    x = 50,412,976,308.39/235,561.02
  6. Step 6: Final answer
    x = 214,012.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.