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Finding the Fourth Proportional to 357,997.05, 537,019.27 and 105,300.14

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Solution

The fourth proportional to 357,997.05, 537,019.27 and 105,300.14 is: 157,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,997.05 : 537,019.27 = 105,300.14 : x
  2. Step 2: Convert to fraction form
    357,997.05/537,019.27 = 105,300.14/x
  3. Step 3: Cross multiply
    357,997.05x = 537,019.27 × 105,300.14
  4. Step 4: Simplify right side
    357,997.05x = 56,548,201,365.35
  5. Step 5: Solve for x
    x = 56,548,201,365.35/357,997.05
  6. Step 6: Final answer
    x = 157,957.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.