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Finding the Fourth Proportional to 230,144.63, 317,599.63 and 134,669.66

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Solution

The fourth proportional to 230,144.63, 317,599.63 and 134,669.66 is: 185,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,144.63 : 317,599.63 = 134,669.66 : x
  2. Step 2: Convert to fraction form
    230,144.63/317,599.63 = 134,669.66/x
  3. Step 3: Cross multiply
    230,144.63x = 317,599.63 × 134,669.66
  4. Step 4: Simplify right side
    230,144.63x = 42,771,032,263.55
  5. Step 5: Solve for x
    x = 42,771,032,263.55/230,144.63
  6. Step 6: Final answer
    x = 185,844.15

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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.