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Finding the Fourth Proportional to 306,351.60, 459,527.40 and 93,119.10

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Solution

The fourth proportional to 306,351.60, 459,527.40 and 93,119.10 is: 139,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,351.60 : 459,527.40 = 93,119.10 : x
  2. Step 2: Convert to fraction form
    306,351.60/459,527.40 = 93,119.10/x
  3. Step 3: Cross multiply
    306,351.60x = 459,527.40 × 93,119.10
  4. Step 4: Simplify right side
    306,351.60x = 42,790,777,913.34
  5. Step 5: Solve for x
    x = 42,790,777,913.34/306,351.60
  6. Step 6: Final answer
    x = 139,678.65

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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.