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Finding the Fourth Proportional to 222,326.73, 306,835.02 and 145,907.46

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Solution

The fourth proportional to 222,326.73, 306,835.02 and 145,907.46 is: 201,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,326.73 : 306,835.02 = 145,907.46 : x
  2. Step 2: Convert to fraction form
    222,326.73/306,835.02 = 145,907.46/x
  3. Step 3: Cross multiply
    222,326.73x = 306,835.02 × 145,907.46
  4. Step 4: Simplify right side
    222,326.73x = 44,769,518,407.25
  5. Step 5: Solve for x
    x = 44,769,518,407.25/222,326.73
  6. Step 6: Final answer
    x = 201,368.13

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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.