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Finding the Fourth Proportional to 228,160.81, 314,862.63 and 127,558.81

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Solution

The fourth proportional to 228,160.81, 314,862.63 and 127,558.81 is: 176,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,160.81 : 314,862.63 = 127,558.81 : x
  2. Step 2: Convert to fraction form
    228,160.81/314,862.63 = 127,558.81/x
  3. Step 3: Cross multiply
    228,160.81x = 314,862.63 × 127,558.81
  4. Step 4: Simplify right side
    228,160.81x = 40,163,500,821.96
  5. Step 5: Solve for x
    x = 40,163,500,821.96/228,160.81
  6. Step 6: Final answer
    x = 176,031.55

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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.