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Finding the Fourth Proportional to 114,113.88, 157,424.08 and 73,840.64

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Solution

The fourth proportional to 114,113.88, 157,424.08 and 73,840.64 is: 101,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,113.88 : 157,424.08 = 73,840.64 : x
  2. Step 2: Convert to fraction form
    114,113.88/157,424.08 = 73,840.64/x
  3. Step 3: Cross multiply
    114,113.88x = 157,424.08 × 73,840.64
  4. Step 4: Simplify right side
    114,113.88x = 11,624,294,818.61
  5. Step 5: Solve for x
    x = 11,624,294,818.61/114,113.88
  6. Step 6: Final answer
    x = 101,865.74

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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.