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Finding the Fourth Proportional to 451,630.16, 677,445.53 and 114,696.08

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Solution

The fourth proportional to 451,630.16, 677,445.53 and 114,696.08 is: 172,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,630.16 : 677,445.53 = 114,696.08 : x
  2. Step 2: Convert to fraction form
    451,630.16/677,445.53 = 114,696.08/x
  3. Step 3: Cross multiply
    451,630.16x = 677,445.53 × 114,696.08
  4. Step 4: Simplify right side
    451,630.16x = 77,700,342,743.81
  5. Step 5: Solve for x
    x = 77,700,342,743.81/451,630.16
  6. Step 6: Final answer
    x = 172,044.19

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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.