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Finding the Fourth Proportional to 159,783.48, 239,446.77 and 117,330.50

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Solution

The fourth proportional to 159,783.48, 239,446.77 and 117,330.50 is: 175,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,783.48 : 239,446.77 = 117,330.50 : x
  2. Step 2: Convert to fraction form
    159,783.48/239,446.77 = 117,330.50/x
  3. Step 3: Cross multiply
    159,783.48x = 239,446.77 × 117,330.50
  4. Step 4: Simplify right side
    159,783.48x = 28,094,409,406.11
  5. Step 5: Solve for x
    x = 28,094,409,406.11/159,783.48
  6. Step 6: Final answer
    x = 175,828.00

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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.