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Finding the Fourth Proportional to 166,878.63, 248,829.37 and 148,332.87

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Solution

The fourth proportional to 166,878.63, 248,829.37 and 148,332.87 is: 221,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,878.63 : 248,829.37 = 148,332.87 : x
  2. Step 2: Convert to fraction form
    166,878.63/248,829.37 = 148,332.87/x
  3. Step 3: Cross multiply
    166,878.63x = 248,829.37 × 148,332.87
  4. Step 4: Simplify right side
    166,878.63x = 36,909,574,221.56
  5. Step 5: Solve for x
    x = 36,909,574,221.56/166,878.63
  6. Step 6: Final answer
    x = 221,176.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.