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Finding the Fourth Proportional to 229,269.58, 316,401.90 and 127,295.04

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Solution

The fourth proportional to 229,269.58, 316,401.90 and 127,295.04 is: 175,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,269.58 : 316,401.90 = 127,295.04 : x
  2. Step 2: Convert to fraction form
    229,269.58/316,401.90 = 127,295.04/x
  3. Step 3: Cross multiply
    229,269.58x = 316,401.90 × 127,295.04
  4. Step 4: Simplify right side
    229,269.58x = 40,276,392,516.58
  5. Step 5: Solve for x
    x = 40,276,392,516.58/229,269.58
  6. Step 6: Final answer
    x = 175,672.64

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1.5x scale

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.