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Finding the Fourth Proportional to 336,051.72, 463,751.12 and 185,148.72

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Solution

The fourth proportional to 336,051.72, 463,751.12 and 185,148.72 is: 255,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,051.72 : 463,751.12 = 185,148.72 : x
  2. Step 2: Convert to fraction form
    336,051.72/463,751.12 = 185,148.72/x
  3. Step 3: Cross multiply
    336,051.72x = 463,751.12 × 185,148.72
  4. Step 4: Simplify right side
    336,051.72x = 85,862,926,729.44
  5. Step 5: Solve for x
    x = 85,862,926,729.44/336,051.72
  6. Step 6: Final answer
    x = 255,505.10

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Why These Related Problems?

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