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Finding the Fourth Proportional to 114,729.75, 157,765.53 and 99,595.95

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Solution

The fourth proportional to 114,729.75, 157,765.53 and 99,595.95 is: 136,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,729.75 : 157,765.53 = 99,595.95 : x
  2. Step 2: Convert to fraction form
    114,729.75/157,765.53 = 99,595.95/x
  3. Step 3: Cross multiply
    114,729.75x = 157,765.53 × 99,595.95
  4. Step 4: Simplify right side
    114,729.75x = 15,712,807,837.60
  5. Step 5: Solve for x
    x = 15,712,807,837.60/114,729.75
  6. Step 6: Final answer
    x = 136,954.96

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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.