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Finding the Fourth Proportional to 229,547.52, 316,774.38 and 126,184.12

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Solution

The fourth proportional to 229,547.52, 316,774.38 and 126,184.12 is: 174,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,547.52 : 316,774.38 = 126,184.12 : x
  2. Step 2: Convert to fraction form
    229,547.52/316,774.38 = 126,184.12/x
  3. Step 3: Cross multiply
    229,547.52x = 316,774.38 × 126,184.12
  4. Step 4: Simplify right side
    229,547.52x = 39,971,896,378.85
  5. Step 5: Solve for x
    x = 39,971,896,378.85/229,547.52
  6. Step 6: Final answer
    x = 174,133.43

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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.