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Finding the Fourth Proportional to 141,353.49, 212,030.06 and 36,172.49

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Solution

The fourth proportional to 141,353.49, 212,030.06 and 36,172.49 is: 54,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,353.49 : 212,030.06 = 36,172.49 : x
  2. Step 2: Convert to fraction form
    141,353.49/212,030.06 = 36,172.49/x
  3. Step 3: Cross multiply
    141,353.49x = 212,030.06 × 36,172.49
  4. Step 4: Simplify right side
    141,353.49x = 7,669,655,044.19
  5. Step 5: Solve for x
    x = 7,669,655,044.19/141,353.49
  6. Step 6: Final answer
    x = 54,258.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.