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Finding the Fourth Proportional to 94,116, 129,873.60 and 51,665.76

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Solution

The fourth proportional to 94,116, 129,873.60 and 51,665.76 is: 71,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,116 : 129,873.60 = 51,665.76 : x
  2. Step 2: Convert to fraction form
    94,116/129,873.60 = 51,665.76/x
  3. Step 3: Cross multiply
    94,116x = 129,873.60 × 51,665.76
  4. Step 4: Simplify right side
    94,116x = 6,710,018,247.94
  5. Step 5: Solve for x
    x = 6,710,018,247.94/94,116
  6. Step 6: Final answer
    x = 71,295.19

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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.