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Finding the Fourth Proportional to 113,996.94, 157,310.91 and 63,007.06

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Solution

The fourth proportional to 113,996.94, 157,310.91 and 63,007.06 is: 86,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,996.94 : 157,310.91 = 63,007.06 : x
  2. Step 2: Convert to fraction form
    113,996.94/157,310.91 = 63,007.06/x
  3. Step 3: Cross multiply
    113,996.94x = 157,310.91 × 63,007.06
  4. Step 4: Simplify right side
    113,996.94x = 9,911,697,945.02
  5. Step 5: Solve for x
    x = 9,911,697,945.02/113,996.94
  6. Step 6: Final answer
    x = 86,947.05

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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.