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Finding the Fourth Proportional to 117,007.90, 175,511.85 and 57,958.90

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Solution

The fourth proportional to 117,007.90, 175,511.85 and 57,958.90 is: 86,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.90 : 175,511.85 = 57,958.90 : x
  2. Step 2: Convert to fraction form
    117,007.90/175,511.85 = 57,958.90/x
  3. Step 3: Cross multiply
    117,007.90x = 175,511.85 × 57,958.90
  4. Step 4: Simplify right side
    117,007.90x = 10,172,473,762.97
  5. Step 5: Solve for x
    x = 10,172,473,762.97/117,007.90
  6. Step 6: Final answer
    x = 86,938.35

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1.5x scale

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.