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Finding the Fourth Proportional to 114,598.96, 158,156.60 and 66,867.68

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Solution

The fourth proportional to 114,598.96, 158,156.60 and 66,867.68 is: 92,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,598.96 : 158,156.60 = 66,867.68 : x
  2. Step 2: Convert to fraction form
    114,598.96/158,156.60 = 66,867.68/x
  3. Step 3: Cross multiply
    114,598.96x = 158,156.60 × 66,867.68
  4. Step 4: Simplify right side
    114,598.96x = 10,575,564,979.74
  5. Step 5: Solve for x
    x = 10,575,564,979.74/114,598.96
  6. Step 6: Final answer
    x = 92,283.26

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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.