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Finding the Fourth Proportional to 315,954.72, 473,932.08 and 105,592.67

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Solution

The fourth proportional to 315,954.72, 473,932.08 and 105,592.67 is: 158,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,954.72 : 473,932.08 = 105,592.67 : x
  2. Step 2: Convert to fraction form
    315,954.72/473,932.08 = 105,592.67/x
  3. Step 3: Cross multiply
    315,954.72x = 473,932.08 × 105,592.67
  4. Step 4: Simplify right side
    315,954.72x = 50,043,751,356.19
  5. Step 5: Solve for x
    x = 50,043,751,356.19/315,954.72
  6. Step 6: Final answer
    x = 158,389.00

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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.