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Finding the Fourth Proportional to 228,058.83, 314,771.14 and 132,620.58

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Solution

The fourth proportional to 228,058.83, 314,771.14 and 132,620.58 is: 183,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,058.83 : 314,771.14 = 132,620.58 : x
  2. Step 2: Convert to fraction form
    228,058.83/314,771.14 = 132,620.58/x
  3. Step 3: Cross multiply
    228,058.83x = 314,771.14 × 132,620.58
  4. Step 4: Simplify right side
    228,058.83x = 41,745,130,139.45
  5. Step 5: Solve for x
    x = 41,745,130,139.45/228,058.83
  6. Step 6: Final answer
    x = 183,045.45

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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.