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Finding the Fourth Proportional to 228,010.69, 314,642.46 and 126,030.07

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Solution

The fourth proportional to 228,010.69, 314,642.46 and 126,030.07 is: 173,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,010.69 : 314,642.46 = 126,030.07 : x
  2. Step 2: Convert to fraction form
    228,010.69/314,642.46 = 126,030.07/x
  3. Step 3: Cross multiply
    228,010.69x = 314,642.46 × 126,030.07
  4. Step 4: Simplify right side
    228,010.69x = 39,654,411,258.77
  5. Step 5: Solve for x
    x = 39,654,411,258.77/228,010.69
  6. Step 6: Final answer
    x = 173,914.70

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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.