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Finding the Fourth Proportional to 114,887.54, 158,567.56 and 74,544.68

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Solution

The fourth proportional to 114,887.54, 158,567.56 and 74,544.68 is: 102,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,887.54 : 158,567.56 = 74,544.68 : x
  2. Step 2: Convert to fraction form
    114,887.54/158,567.56 = 74,544.68/x
  3. Step 3: Cross multiply
    114,887.54x = 158,567.56 × 74,544.68
  4. Step 4: Simplify right side
    114,887.54x = 11,820,368,018.58
  5. Step 5: Solve for x
    x = 11,820,368,018.58/114,887.54
  6. Step 6: Final answer
    x = 102,886.42

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1.5x scale

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.