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Finding the Fourth Proportional to 228,854.19, 315,818.25 and 126,877.04

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Solution

The fourth proportional to 228,854.19, 315,818.25 and 126,877.04 is: 175,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,854.19 : 315,818.25 = 126,877.04 : x
  2. Step 2: Convert to fraction form
    228,854.19/315,818.25 = 126,877.04/x
  3. Step 3: Cross multiply
    228,854.19x = 315,818.25 × 126,877.04
  4. Step 4: Simplify right side
    228,854.19x = 40,070,084,981.58
  5. Step 5: Solve for x
    x = 40,070,084,981.58/228,854.19
  6. Step 6: Final answer
    x = 175,090.02

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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.