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Finding the Fourth Proportional to 114,492.30, 157,993.79 and 63,500.51

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Solution

The fourth proportional to 114,492.30, 157,993.79 and 63,500.51 is: 87,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,492.30 : 157,993.79 = 63,500.51 : x
  2. Step 2: Convert to fraction form
    114,492.30/157,993.79 = 63,500.51/x
  3. Step 3: Cross multiply
    114,492.30x = 157,993.79 × 63,500.51
  4. Step 4: Simplify right side
    114,492.30x = 10,032,686,319.31
  5. Step 5: Solve for x
    x = 10,032,686,319.31/114,492.30
  6. Step 6: Final answer
    x = 87,627.61

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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.