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Finding the Fourth Proportional to 229,609.76, 316,851.62 and 127,635.01

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Solution

The fourth proportional to 229,609.76, 316,851.62 and 127,635.01 is: 176,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,609.76 : 316,851.62 = 127,635.01 : x
  2. Step 2: Convert to fraction form
    229,609.76/316,851.62 = 127,635.01/x
  3. Step 3: Cross multiply
    229,609.76x = 316,851.62 × 127,635.01
  4. Step 4: Simplify right side
    229,609.76x = 40,441,358,256.91
  5. Step 5: Solve for x
    x = 40,441,358,256.91/229,609.76
  6. Step 6: Final answer
    x = 176,130.84

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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.