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Finding the Fourth Proportional to 116,655.42, 174,975.84 and 60,478.68

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Solution

The fourth proportional to 116,655.42, 174,975.84 and 60,478.68 is: 90,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,655.42 : 174,975.84 = 60,478.68 : x
  2. Step 2: Convert to fraction form
    116,655.42/174,975.84 = 60,478.68/x
  3. Step 3: Cross multiply
    116,655.42x = 174,975.84 × 60,478.68
  4. Step 4: Simplify right side
    116,655.42x = 10,582,307,835.09
  5. Step 5: Solve for x
    x = 10,582,307,835.09/116,655.42
  6. Step 6: Final answer
    x = 90,714.24

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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.