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Finding the Fourth Proportional to 157,182.40, 235,773.60 and 57,309.40

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Solution

The fourth proportional to 157,182.40, 235,773.60 and 57,309.40 is: 85,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,182.40 : 235,773.60 = 57,309.40 : x
  2. Step 2: Convert to fraction form
    157,182.40/235,773.60 = 57,309.40/x
  3. Step 3: Cross multiply
    157,182.40x = 235,773.60 × 57,309.40
  4. Step 4: Simplify right side
    157,182.40x = 13,512,043,551.84
  5. Step 5: Solve for x
    x = 13,512,043,551.84/157,182.40
  6. Step 6: Final answer
    x = 85,964.10

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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.