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Finding the Fourth Proportional to 229,588.59, 316,918.21 and 172,393.14

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Solution

The fourth proportional to 229,588.59, 316,918.21 and 172,393.14 is: 237,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,588.59 : 316,918.21 = 172,393.14 : x
  2. Step 2: Convert to fraction form
    229,588.59/316,918.21 = 172,393.14/x
  3. Step 3: Cross multiply
    229,588.59x = 316,918.21 × 172,393.14
  4. Step 4: Simplify right side
    229,588.59x = 54,634,525,345.08
  5. Step 5: Solve for x
    x = 54,634,525,345.08/229,588.59
  6. Step 6: Final answer
    x = 237,967.08

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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.