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Finding the Fourth Proportional to 157,422.10, 236,133.15 and 63,994.90

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Solution

The fourth proportional to 157,422.10, 236,133.15 and 63,994.90 is: 95,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,422.10 : 236,133.15 = 63,994.90 : x
  2. Step 2: Convert to fraction form
    157,422.10/236,133.15 = 63,994.90/x
  3. Step 3: Cross multiply
    157,422.10x = 236,133.15 × 63,994.90
  4. Step 4: Simplify right side
    157,422.10x = 15,111,317,320.94
  5. Step 5: Solve for x
    x = 15,111,317,320.94/157,422.10
  6. Step 6: Final answer
    x = 95,992.35

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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.