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Finding the Fourth Proportional to 235,886.60, 353,580.74 and 115,776.46

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Solution

The fourth proportional to 235,886.60, 353,580.74 and 115,776.46 is: 173,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,886.60 : 353,580.74 = 115,776.46 : x
  2. Step 2: Convert to fraction form
    235,886.60/353,580.74 = 115,776.46/x
  3. Step 3: Cross multiply
    235,886.60x = 353,580.74 × 115,776.46
  4. Step 4: Simplify right side
    235,886.60x = 40,936,326,401.38
  5. Step 5: Solve for x
    x = 40,936,326,401.38/235,886.60
  6. Step 6: Final answer
    x = 173,542.40

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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.