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Finding the Fourth Proportional to 114,341.28, 157,792.32 and 63,355.68

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Solution

The fourth proportional to 114,341.28, 157,792.32 and 63,355.68 is: 87,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,341.28 : 157,792.32 = 63,355.68 : x
  2. Step 2: Convert to fraction form
    114,341.28/157,792.32 = 63,355.68/x
  3. Step 3: Cross multiply
    114,341.28x = 157,792.32 × 63,355.68
  4. Step 4: Simplify right side
    114,341.28x = 9,997,039,732.38
  5. Step 5: Solve for x
    x = 9,997,039,732.38/114,341.28
  6. Step 6: Final answer
    x = 87,431.59

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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.