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Finding the Fourth Proportional to 306,036.60, 459,054.90 and 119,048.10

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Solution

The fourth proportional to 306,036.60, 459,054.90 and 119,048.10 is: 178,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,036.60 : 459,054.90 = 119,048.10 : x
  2. Step 2: Convert to fraction form
    306,036.60/459,054.90 = 119,048.10/x
  3. Step 3: Cross multiply
    306,036.60x = 459,054.90 × 119,048.10
  4. Step 4: Simplify right side
    306,036.60x = 54,649,613,640.69
  5. Step 5: Solve for x
    x = 54,649,613,640.69/306,036.60
  6. Step 6: Final answer
    x = 178,572.15

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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.