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Finding the Fourth Proportional to 157,647.60, 236,471.40 and 46,839.60

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Solution

The fourth proportional to 157,647.60, 236,471.40 and 46,839.60 is: 70,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,647.60 : 236,471.40 = 46,839.60 : x
  2. Step 2: Convert to fraction form
    157,647.60/236,471.40 = 46,839.60/x
  3. Step 3: Cross multiply
    157,647.60x = 236,471.40 × 46,839.60
  4. Step 4: Simplify right side
    157,647.60x = 11,076,225,787.44
  5. Step 5: Solve for x
    x = 11,076,225,787.44/157,647.60
  6. Step 6: Final answer
    x = 70,259.40

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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.