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Finding the Fourth Proportional to 152,958.92, 229,442.91 and 73,005.32

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Solution

The fourth proportional to 152,958.92, 229,442.91 and 73,005.32 is: 109,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,958.92 : 229,442.91 = 73,005.32 : x
  2. Step 2: Convert to fraction form
    152,958.92/229,442.91 = 73,005.32/x
  3. Step 3: Cross multiply
    152,958.92x = 229,442.91 × 73,005.32
  4. Step 4: Simplify right side
    152,958.92x = 16,750,551,554.04
  5. Step 5: Solve for x
    x = 16,750,551,554.04/152,958.92
  6. Step 6: Final answer
    x = 109,510.13

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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.