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Finding the Fourth Proportional to 114,069.51, 157,409.64 and 63,079.29

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Solution

The fourth proportional to 114,069.51, 157,409.64 and 63,079.29 is: 87,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,069.51 : 157,409.64 = 63,079.29 : x
  2. Step 2: Convert to fraction form
    114,069.51/157,409.64 = 63,079.29/x
  3. Step 3: Cross multiply
    114,069.51x = 157,409.64 × 63,079.29
  4. Step 4: Simplify right side
    114,069.51x = 9,929,288,330.36
  5. Step 5: Solve for x
    x = 9,929,288,330.36/114,069.51
  6. Step 6: Final answer
    x = 87,045.95

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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.