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Finding the Fourth Proportional to 114,444.72, 157,932.08 and 63,457.56

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Solution

The fourth proportional to 114,444.72, 157,932.08 and 63,457.56 is: 87,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,444.72 : 157,932.08 = 63,457.56 : x
  2. Step 2: Convert to fraction form
    114,444.72/157,932.08 = 63,457.56/x
  3. Step 3: Cross multiply
    114,444.72x = 157,932.08 × 63,457.56
  4. Step 4: Simplify right side
    114,444.72x = 10,021,984,442.52
  5. Step 5: Solve for x
    x = 10,021,984,442.52/114,444.72
  6. Step 6: Final answer
    x = 87,570.53

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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.