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Finding the Fourth Proportional to 186,040, 279,060.02 and 54,712

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Solution

The fourth proportional to 186,040, 279,060.02 and 54,712 is: 82,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,040 : 279,060.02 = 54,712 : x
  2. Step 2: Convert to fraction form
    186,040/279,060.02 = 54,712/x
  3. Step 3: Cross multiply
    186,040x = 279,060.02 × 54,712
  4. Step 4: Simplify right side
    186,040x = 15,267,931,540.68
  5. Step 5: Solve for x
    x = 15,267,931,540.68/186,040
  6. Step 6: Final answer
    x = 82,068.00

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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.