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Finding the Fourth Proportional to 228,502.76, 315,329.96 and 126,526.04

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Solution

The fourth proportional to 228,502.76, 315,329.96 and 126,526.04 is: 174,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,502.76 : 315,329.96 = 126,526.04 : x
  2. Step 2: Convert to fraction form
    228,502.76/315,329.96 = 126,526.04/x
  3. Step 3: Cross multiply
    228,502.76x = 315,329.96 × 126,526.04
  4. Step 4: Simplify right side
    228,502.76x = 39,897,449,871.82
  5. Step 5: Solve for x
    x = 39,897,449,871.82/228,502.76
  6. Step 6: Final answer
    x = 174,603.80

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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.