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Finding the Fourth Proportional to 114,303.36, 157,756.71 and 68,987.82

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Solution

The fourth proportional to 114,303.36, 157,756.71 and 68,987.82 is: 95,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,303.36 : 157,756.71 = 68,987.82 : x
  2. Step 2: Convert to fraction form
    114,303.36/157,756.71 = 68,987.82/x
  3. Step 3: Cross multiply
    114,303.36x = 157,756.71 × 68,987.82
  4. Step 4: Simplify right side
    114,303.36x = 10,883,291,513.27
  5. Step 5: Solve for x
    x = 10,883,291,513.27/114,303.36
  6. Step 6: Final answer
    x = 95,214.10

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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.