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Finding the Fourth Proportional to 92,207.17, 127,248.80 and 53,970.51

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Solution

The fourth proportional to 92,207.17, 127,248.80 and 53,970.51 is: 74,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,207.17 : 127,248.80 = 53,970.51 : x
  2. Step 2: Convert to fraction form
    92,207.17/127,248.80 = 53,970.51/x
  3. Step 3: Cross multiply
    92,207.17x = 127,248.80 × 53,970.51
  4. Step 4: Simplify right side
    92,207.17x = 6,867,682,632.89
  5. Step 5: Solve for x
    x = 6,867,682,632.89/92,207.17
  6. Step 6: Final answer
    x = 74,481.00

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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.