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Finding the Fourth Proportional to 113,995.44, 157,308.84 and 63,005.56

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Solution

The fourth proportional to 113,995.44, 157,308.84 and 63,005.56 is: 86,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,995.44 : 157,308.84 = 63,005.56 : x
  2. Step 2: Convert to fraction form
    113,995.44/157,308.84 = 63,005.56/x
  3. Step 3: Cross multiply
    113,995.44x = 157,308.84 × 63,005.56
  4. Step 4: Simplify right side
    113,995.44x = 9,911,331,557.15
  5. Step 5: Solve for x
    x = 9,911,331,557.15/113,995.44
  6. Step 6: Final answer
    x = 86,944.98

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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.