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Finding the Fourth Proportional to 83,148.90, 114,745.45 and 44,908.47

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Solution

The fourth proportional to 83,148.90, 114,745.45 and 44,908.47 is: 61,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,148.90 : 114,745.45 = 44,908.47 : x
  2. Step 2: Convert to fraction form
    83,148.90/114,745.45 = 44,908.47/x
  3. Step 3: Cross multiply
    83,148.90x = 114,745.45 × 44,908.47
  4. Step 4: Simplify right side
    83,148.90x = 5,153,042,598.96
  5. Step 5: Solve for x
    x = 5,153,042,598.96/83,148.90
  6. Step 6: Final answer
    x = 61,973.67

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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.