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Finding the Fourth Proportional to 113,338.40, 170,007.60 and 93,293.60

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Solution

The fourth proportional to 113,338.40, 170,007.60 and 93,293.60 is: 139,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,338.40 : 170,007.60 = 93,293.60 : x
  2. Step 2: Convert to fraction form
    113,338.40/170,007.60 = 93,293.60/x
  3. Step 3: Cross multiply
    113,338.40x = 170,007.60 × 93,293.60
  4. Step 4: Simplify right side
    113,338.40x = 15,860,621,031.36
  5. Step 5: Solve for x
    x = 15,860,621,031.36/113,338.40
  6. Step 6: Final answer
    x = 139,940.40

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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.