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Finding the Fourth Proportional to 159,030.72, 238,487.04 and 46,680

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Solution

The fourth proportional to 159,030.72, 238,487.04 and 46,680 is: 70,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,030.72 : 238,487.04 = 46,680 : x
  2. Step 2: Convert to fraction form
    159,030.72/238,487.04 = 46,680/x
  3. Step 3: Cross multiply
    159,030.72x = 238,487.04 × 46,680
  4. Step 4: Simplify right side
    159,030.72x = 11,132,575,027.20
  5. Step 5: Solve for x
    x = 11,132,575,027.20/159,030.72
  6. Step 6: Final answer
    x = 70,002.67

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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.