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Finding the Fourth Proportional to 243,197.39, 335,618.07 and 152,557.18

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Solution

The fourth proportional to 243,197.39, 335,618.07 and 152,557.18 is: 210,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,197.39 : 335,618.07 = 152,557.18 : x
  2. Step 2: Convert to fraction form
    243,197.39/335,618.07 = 152,557.18/x
  3. Step 3: Cross multiply
    243,197.39x = 335,618.07 × 152,557.18
  4. Step 4: Simplify right side
    243,197.39x = 51,200,946,316.24
  5. Step 5: Solve for x
    x = 51,200,946,316.24/243,197.39
  6. Step 6: Final answer
    x = 210,532.47

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