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Finding the Fourth Proportional to 232,609.11, 348,962.08 and 72,678.58

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Solution

The fourth proportional to 232,609.11, 348,962.08 and 72,678.58 is: 109,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,609.11 : 348,962.08 = 72,678.58 : x
  2. Step 2: Convert to fraction form
    232,609.11/348,962.08 = 72,678.58/x
  3. Step 3: Cross multiply
    232,609.11x = 348,962.08 × 72,678.58
  4. Step 4: Simplify right side
    232,609.11x = 25,362,068,102.89
  5. Step 5: Solve for x
    x = 25,362,068,102.89/232,609.11
  6. Step 6: Final answer
    x = 109,033.00

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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.