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Finding the Fourth Proportional to 229,660.80, 316,829.62 and 134,125.35

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Solution

The fourth proportional to 229,660.80, 316,829.62 and 134,125.35 is: 185,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,660.80 : 316,829.62 = 134,125.35 : x
  2. Step 2: Convert to fraction form
    229,660.80/316,829.62 = 134,125.35/x
  3. Step 3: Cross multiply
    229,660.80x = 316,829.62 × 134,125.35
  4. Step 4: Simplify right side
    229,660.80x = 42,494,884,800.25
  5. Step 5: Solve for x
    x = 42,494,884,800.25/229,660.80
  6. Step 6: Final answer
    x = 185,033.25

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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.