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Finding the Fourth Proportional to 157,507.60, 236,261.40 and 118,141.60

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Solution

The fourth proportional to 157,507.60, 236,261.40 and 118,141.60 is: 177,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507.60 : 236,261.40 = 118,141.60 : x
  2. Step 2: Convert to fraction form
    157,507.60/236,261.40 = 118,141.60/x
  3. Step 3: Cross multiply
    157,507.60x = 236,261.40 × 118,141.60
  4. Step 4: Simplify right side
    157,507.60x = 27,912,299,814.24
  5. Step 5: Solve for x
    x = 27,912,299,814.24/157,507.60
  6. Step 6: Final answer
    x = 177,212.40

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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.