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Finding the Fourth Proportional to 456,494.55, 684,741.83 and 124,070.55

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Solution

The fourth proportional to 456,494.55, 684,741.83 and 124,070.55 is: 186,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,494.55 : 684,741.83 = 124,070.55 : x
  2. Step 2: Convert to fraction form
    456,494.55/684,741.83 = 124,070.55/x
  3. Step 3: Cross multiply
    456,494.55x = 684,741.83 × 124,070.55
  4. Step 4: Simplify right side
    456,494.55x = 84,956,294,835.75
  5. Step 5: Solve for x
    x = 84,956,294,835.75/456,494.55
  6. Step 6: Final answer
    x = 186,105.83

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Similar ratio
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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.