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Finding the Fourth Proportional to 92,663.72, 127,875.04 and 51,827.40

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Solution

The fourth proportional to 92,663.72, 127,875.04 and 51,827.40 is: 71,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,663.72 : 127,875.04 = 51,827.40 : x
  2. Step 2: Convert to fraction form
    92,663.72/127,875.04 = 51,827.40/x
  3. Step 3: Cross multiply
    92,663.72x = 127,875.04 × 51,827.40
  4. Step 4: Simplify right side
    92,663.72x = 6,627,430,848.10
  5. Step 5: Solve for x
    x = 6,627,430,848.10/92,663.72
  6. Step 6: Final answer
    x = 71,521.31

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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.