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Finding the Fourth Proportional to 177,620.84, 245,109.47 and 97,051.13

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Solution

The fourth proportional to 177,620.84, 245,109.47 and 97,051.13 is: 133,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,620.84 : 245,109.47 = 97,051.13 : x
  2. Step 2: Convert to fraction form
    177,620.84/245,109.47 = 97,051.13/x
  3. Step 3: Cross multiply
    177,620.84x = 245,109.47 × 97,051.13
  4. Step 4: Simplify right side
    177,620.84x = 23,788,149,326.40
  5. Step 5: Solve for x
    x = 23,788,149,326.40/177,620.84
  6. Step 6: Final answer
    x = 133,926.57

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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.