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Finding the Fourth Proportional to 216,842.71, 299,104.09 and 173,925.18

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Solution

The fourth proportional to 216,842.71, 299,104.09 and 173,925.18 is: 239,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,842.71 : 299,104.09 = 173,925.18 : x
  2. Step 2: Convert to fraction form
    216,842.71/299,104.09 = 173,925.18/x
  3. Step 3: Cross multiply
    216,842.71x = 299,104.09 × 173,925.18
  4. Step 4: Simplify right side
    216,842.71x = 52,021,732,691.99
  5. Step 5: Solve for x
    x = 52,021,732,691.99/216,842.71
  6. Step 6: Final answer
    x = 239,905.38

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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.