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Finding the Fourth Proportional to 116,402.40, 174,453.84 and 101,347.92

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Solution

The fourth proportional to 116,402.40, 174,453.84 and 101,347.92 is: 151,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,402.40 : 174,453.84 = 101,347.92 : x
  2. Step 2: Convert to fraction form
    116,402.40/174,453.84 = 101,347.92/x
  3. Step 3: Cross multiply
    116,402.40x = 174,453.84 × 101,347.92
  4. Step 4: Simplify right side
    116,402.40x = 17,680,533,820.01
  5. Step 5: Solve for x
    x = 17,680,533,820.01/116,402.40
  6. Step 6: Final answer
    x = 151,891.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.