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Finding the Fourth Proportional to 227,887.55, 314,492.60 and 143,051.39

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Solution

The fourth proportional to 227,887.55, 314,492.60 and 143,051.39 is: 197,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,887.55 : 314,492.60 = 143,051.39 : x
  2. Step 2: Convert to fraction form
    227,887.55/314,492.60 = 143,051.39/x
  3. Step 3: Cross multiply
    227,887.55x = 314,492.60 × 143,051.39
  4. Step 4: Simplify right side
    227,887.55x = 44,988,603,574.71
  5. Step 5: Solve for x
    x = 44,988,603,574.71/227,887.55
  6. Step 6: Final answer
    x = 197,415.80

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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.