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Finding the Fourth Proportional to 73,386.40, 101,266.32 and 50,749.60

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Solution

The fourth proportional to 73,386.40, 101,266.32 and 50,749.60 is: 70,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,386.40 : 101,266.32 = 50,749.60 : x
  2. Step 2: Convert to fraction form
    73,386.40/101,266.32 = 50,749.60/x
  3. Step 3: Cross multiply
    73,386.40x = 101,266.32 × 50,749.60
  4. Step 4: Simplify right side
    73,386.40x = 5,139,225,233.47
  5. Step 5: Solve for x
    x = 5,139,225,233.47/73,386.40
  6. Step 6: Final answer
    x = 70,029.67

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1.5x scale

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.