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Finding the Fourth Proportional to 114,459.51, 157,963.50 and 63,488.28

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Solution

The fourth proportional to 114,459.51, 157,963.50 and 63,488.28 is: 87,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,459.51 : 157,963.50 = 63,488.28 : x
  2. Step 2: Convert to fraction form
    114,459.51/157,963.50 = 63,488.28/x
  3. Step 3: Cross multiply
    114,459.51x = 157,963.50 × 63,488.28
  4. Step 4: Simplify right side
    114,459.51x = 10,028,830,917.78
  5. Step 5: Solve for x
    x = 10,028,830,917.78/114,459.51
  6. Step 6: Final answer
    x = 87,619.03

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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.