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Finding the Fourth Proportional to 158,951, 238,427.04 and 48,143

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Solution

The fourth proportional to 158,951, 238,427.04 and 48,143 is: 72,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,951 : 238,427.04 = 48,143 : x
  2. Step 2: Convert to fraction form
    158,951/238,427.04 = 48,143/x
  3. Step 3: Cross multiply
    158,951x = 238,427.04 × 48,143
  4. Step 4: Simplify right side
    158,951x = 11,478,592,986.72
  5. Step 5: Solve for x
    x = 11,478,592,986.72/158,951
  6. Step 6: Final answer
    x = 72,214.66

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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.