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Finding the Fourth Proportional to 114,307.50, 157,739.48 and 63,320.02

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Solution

The fourth proportional to 114,307.50, 157,739.48 and 63,320.02 is: 87,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,307.50 : 157,739.48 = 63,320.02 : x
  2. Step 2: Convert to fraction form
    114,307.50/157,739.48 = 63,320.02/x
  3. Step 3: Cross multiply
    114,307.50x = 157,739.48 × 63,320.02
  4. Step 4: Simplify right side
    114,307.50x = 9,988,067,028.39
  5. Step 5: Solve for x
    x = 9,988,067,028.39/114,307.50
  6. Step 6: Final answer
    x = 87,378.93

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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.