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Finding the Fourth Proportional to 143,076, 214,433.10 and 125,263.02

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Solution

The fourth proportional to 143,076, 214,433.10 and 125,263.02 is: 187,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,076 : 214,433.10 = 125,263.02 : x
  2. Step 2: Convert to fraction form
    143,076/214,433.10 = 125,263.02/x
  3. Step 3: Cross multiply
    143,076x = 214,433.10 × 125,263.02
  4. Step 4: Simplify right side
    143,076x = 26,860,537,693.96
  5. Step 5: Solve for x
    x = 26,860,537,693.96/143,076
  6. Step 6: Final answer
    x = 187,736.15

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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.