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Finding the Fourth Proportional to 116,561.76, 174,842.06 and 100,718.58

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Solution

The fourth proportional to 116,561.76, 174,842.06 and 100,718.58 is: 151,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,561.76 : 174,842.06 = 100,718.58 : x
  2. Step 2: Convert to fraction form
    116,561.76/174,842.06 = 100,718.58/x
  3. Step 3: Cross multiply
    116,561.76x = 174,842.06 × 100,718.58
  4. Step 4: Simplify right side
    116,561.76x = 17,609,844,259.27
  5. Step 5: Solve for x
    x = 17,609,844,259.27/116,561.76
  6. Step 6: Final answer
    x = 151,077.37

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1.5x scale

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.