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Finding the Fourth Proportional to 235,502.84, 325,002.48 and 134,920.28

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Solution

The fourth proportional to 235,502.84, 325,002.48 and 134,920.28 is: 186,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,502.84 : 325,002.48 = 134,920.28 : x
  2. Step 2: Convert to fraction form
    235,502.84/325,002.48 = 134,920.28/x
  3. Step 3: Cross multiply
    235,502.84x = 325,002.48 × 134,920.28
  4. Step 4: Simplify right side
    235,502.84x = 43,849,425,602.29
  5. Step 5: Solve for x
    x = 43,849,425,602.29/235,502.84
  6. Step 6: Final answer
    x = 186,194.89

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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.