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Finding the Fourth Proportional to 113,883.25, 157,157.53 and 62,898.06

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Solution

The fourth proportional to 113,883.25, 157,157.53 and 62,898.06 is: 86,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,883.25 : 157,157.53 = 62,898.06 : x
  2. Step 2: Convert to fraction form
    113,883.25/157,157.53 = 62,898.06/x
  3. Step 3: Cross multiply
    113,883.25x = 157,157.53 × 62,898.06
  4. Step 4: Simplify right side
    113,883.25x = 9,884,903,751.39
  5. Step 5: Solve for x
    x = 9,884,903,751.39/113,883.25
  6. Step 6: Final answer
    x = 86,798.57

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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.