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Finding the Fourth Proportional to 114,448.15, 157,938.79 and 63,464.47

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Solution

The fourth proportional to 114,448.15, 157,938.79 and 63,464.47 is: 87,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,448.15 : 157,938.79 = 63,464.47 : x
  2. Step 2: Convert to fraction form
    114,448.15/157,938.79 = 63,464.47/x
  3. Step 3: Cross multiply
    114,448.15x = 157,938.79 × 63,464.47
  4. Step 4: Simplify right side
    114,448.15x = 10,023,501,282.47
  5. Step 5: Solve for x
    x = 10,023,501,282.47/114,448.15
  6. Step 6: Final answer
    x = 87,581.16

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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.