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Finding the Fourth Proportional to 157,522.88, 236,215.20 and 57,657.20

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Solution

The fourth proportional to 157,522.88, 236,215.20 and 57,657.20 is: 86,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522.88 : 236,215.20 = 57,657.20 : x
  2. Step 2: Convert to fraction form
    157,522.88/236,215.20 = 57,657.20/x
  3. Step 3: Cross multiply
    157,522.88x = 236,215.20 × 57,657.20
  4. Step 4: Simplify right side
    157,522.88x = 13,619,507,029.44
  5. Step 5: Solve for x
    x = 13,619,507,029.44/157,522.88
  6. Step 6: Final answer
    x = 86,460.50

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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.