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Finding the Fourth Proportional to 114,068.16, 157,420.04 and 68,760.52

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Solution

The fourth proportional to 114,068.16, 157,420.04 and 68,760.52 is: 94,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,068.16 : 157,420.04 = 68,760.52 : x
  2. Step 2: Convert to fraction form
    114,068.16/157,420.04 = 68,760.52/x
  3. Step 3: Cross multiply
    114,068.16x = 157,420.04 × 68,760.52
  4. Step 4: Simplify right side
    114,068.16x = 10,824,283,808.82
  5. Step 5: Solve for x
    x = 10,824,283,808.82/114,068.16
  6. Step 6: Final answer
    x = 94,893.12

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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.