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Finding the Fourth Proportional to 162,879.12, 244,347.84 and 83,972.16

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Solution

The fourth proportional to 162,879.12, 244,347.84 and 83,972.16 is: 125,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,879.12 : 244,347.84 = 83,972.16 : x
  2. Step 2: Convert to fraction form
    162,879.12/244,347.84 = 83,972.16/x
  3. Step 3: Cross multiply
    162,879.12x = 244,347.84 × 83,972.16
  4. Step 4: Simplify right side
    162,879.12x = 20,518,415,916.13
  5. Step 5: Solve for x
    x = 20,518,415,916.13/162,879.12
  6. Step 6: Final answer
    x = 125,973.27

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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.