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Finding the Fourth Proportional to 157,507.50, 236,261.25 and 40,771.50

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Solution

The fourth proportional to 157,507.50, 236,261.25 and 40,771.50 is: 61,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507.50 : 236,261.25 = 40,771.50 : x
  2. Step 2: Convert to fraction form
    157,507.50/236,261.25 = 40,771.50/x
  3. Step 3: Cross multiply
    157,507.50x = 236,261.25 × 40,771.50
  4. Step 4: Simplify right side
    157,507.50x = 9,632,725,554.38
  5. Step 5: Solve for x
    x = 9,632,725,554.38/157,507.50
  6. Step 6: Final answer
    x = 61,157.25

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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.