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Finding the Fourth Proportional to 114,026.76, 157,343.28 and 63,032.64

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Solution

The fourth proportional to 114,026.76, 157,343.28 and 63,032.64 is: 86,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,026.76 : 157,343.28 = 63,032.64 : x
  2. Step 2: Convert to fraction form
    114,026.76/157,343.28 = 63,032.64/x
  3. Step 3: Cross multiply
    114,026.76x = 157,343.28 × 63,032.64
  4. Step 4: Simplify right side
    114,026.76x = 9,917,762,324.66
  5. Step 5: Solve for x
    x = 9,917,762,324.66/114,026.76
  6. Step 6: Final answer
    x = 86,977.50

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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.