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Finding the Fourth Proportional to 232,638.56, 348,966.72 and 74,846.24

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Solution

The fourth proportional to 232,638.56, 348,966.72 and 74,846.24 is: 112,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,638.56 : 348,966.72 = 74,846.24 : x
  2. Step 2: Convert to fraction form
    232,638.56/348,966.72 = 74,846.24/x
  3. Step 3: Cross multiply
    232,638.56x = 348,966.72 × 74,846.24
  4. Step 4: Simplify right side
    232,638.56x = 26,118,846,877.13
  5. Step 5: Solve for x
    x = 26,118,846,877.13/232,638.56
  6. Step 6: Final answer
    x = 112,272.22

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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.