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Finding the Fourth Proportional to 80,848.92, 111,574.87 and 45,038.92

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Solution

The fourth proportional to 80,848.92, 111,574.87 and 45,038.92 is: 62,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848.92 : 111,574.87 = 45,038.92 : x
  2. Step 2: Convert to fraction form
    80,848.92/111,574.87 = 45,038.92/x
  3. Step 3: Cross multiply
    80,848.92x = 111,574.87 × 45,038.92
  4. Step 4: Simplify right side
    80,848.92x = 5,025,211,643.94
  5. Step 5: Solve for x
    x = 5,025,211,643.94/80,848.92
  6. Step 6: Final answer
    x = 62,155.58

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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.