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Finding the Fourth Proportional to 114,364.25, 157,821.40 and 62,681.77

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Solution

The fourth proportional to 114,364.25, 157,821.40 and 62,681.77 is: 86,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,364.25 : 157,821.40 = 62,681.77 : x
  2. Step 2: Convert to fraction form
    114,364.25/157,821.40 = 62,681.77/x
  3. Step 3: Cross multiply
    114,364.25x = 157,821.40 × 62,681.77
  4. Step 4: Simplify right side
    114,364.25x = 9,892,524,695.88
  5. Step 5: Solve for x
    x = 9,892,524,695.88/114,364.25
  6. Step 6: Final answer
    x = 86,500.15

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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.