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Finding the Fourth Proportional to 243,185.92, 335,602.20 and 152,545.70

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Solution

The fourth proportional to 243,185.92, 335,602.20 and 152,545.70 is: 210,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,185.92 : 335,602.20 = 152,545.70 : x
  2. Step 2: Convert to fraction form
    243,185.92/335,602.20 = 152,545.70/x
  3. Step 3: Cross multiply
    243,185.92x = 335,602.20 × 152,545.70
  4. Step 4: Simplify right side
    243,185.92x = 51,194,672,520.54
  5. Step 5: Solve for x
    x = 51,194,672,520.54/243,185.92
  6. Step 6: Final answer
    x = 210,516.60

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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.