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Finding the Fourth Proportional to 159,232.32, 238,796.16 and 70,483.92

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Solution

The fourth proportional to 159,232.32, 238,796.16 and 70,483.92 is: 105,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,232.32 : 238,796.16 = 70,483.92 : x
  2. Step 2: Convert to fraction form
    159,232.32/238,796.16 = 70,483.92/x
  3. Step 3: Cross multiply
    159,232.32x = 238,796.16 × 70,483.92
  4. Step 4: Simplify right side
    159,232.32x = 16,831,289,437.75
  5. Step 5: Solve for x
    x = 16,831,289,437.75/159,232.32
  6. Step 6: Final answer
    x = 105,702.72

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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.