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Finding the Fourth Proportional to 177,312.84, 244,566.48 and 105,637.56

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Solution

The fourth proportional to 177,312.84, 244,566.48 and 105,637.56 is: 145,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,312.84 : 244,566.48 = 105,637.56 : x
  2. Step 2: Convert to fraction form
    177,312.84/244,566.48 = 105,637.56/x
  3. Step 3: Cross multiply
    177,312.84x = 244,566.48 × 105,637.56
  4. Step 4: Simplify right side
    177,312.84x = 25,835,406,204.99
  5. Step 5: Solve for x
    x = 25,835,406,204.99/177,312.84
  6. Step 6: Final answer
    x = 145,705.22

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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.