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Finding the Fourth Proportional to 114,018.76, 157,346.12 and 63,717.76

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Solution

The fourth proportional to 114,018.76, 157,346.12 and 63,717.76 is: 87,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,018.76 : 157,346.12 = 63,717.76 : x
  2. Step 2: Convert to fraction form
    114,018.76/157,346.12 = 63,717.76/x
  3. Step 3: Cross multiply
    114,018.76x = 157,346.12 × 63,717.76
  4. Step 4: Simplify right side
    114,018.76x = 10,025,742,311.09
  5. Step 5: Solve for x
    x = 10,025,742,311.09/114,018.76
  6. Step 6: Final answer
    x = 87,930.64

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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.