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Finding the Fourth Proportional to 187,368.27, 258,652.65 and 119,476.50

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Solution

The fourth proportional to 187,368.27, 258,652.65 and 119,476.50 is: 164,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,368.27 : 258,652.65 = 119,476.50 : x
  2. Step 2: Convert to fraction form
    187,368.27/258,652.65 = 119,476.50/x
  3. Step 3: Cross multiply
    187,368.27x = 258,652.65 × 119,476.50
  4. Step 4: Simplify right side
    187,368.27x = 30,902,913,337.73
  5. Step 5: Solve for x
    x = 30,902,913,337.73/187,368.27
  6. Step 6: Final answer
    x = 164,931.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.