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Finding the Fourth Proportional to 114,015.76, 157,341.96 and 63,714.76

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Solution

The fourth proportional to 114,015.76, 157,341.96 and 63,714.76 is: 87,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,015.76 : 157,341.96 = 63,714.76 : x
  2. Step 2: Convert to fraction form
    114,015.76/157,341.96 = 63,714.76/x
  3. Step 3: Cross multiply
    114,015.76x = 157,341.96 × 63,714.76
  4. Step 4: Simplify right side
    114,015.76x = 10,025,005,219.33
  5. Step 5: Solve for x
    x = 10,025,005,219.33/114,015.76
  6. Step 6: Final answer
    x = 87,926.49

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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.