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Finding the Fourth Proportional to 114,290.68, 157,707.32 and 66,536.32

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Solution

The fourth proportional to 114,290.68, 157,707.32 and 66,536.32 is: 91,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,290.68 : 157,707.32 = 66,536.32 : x
  2. Step 2: Convert to fraction form
    114,290.68/157,707.32 = 66,536.32/x
  3. Step 3: Cross multiply
    114,290.68x = 157,707.32 × 66,536.32
  4. Step 4: Simplify right side
    114,290.68x = 10,493,264,709.86
  5. Step 5: Solve for x
    x = 10,493,264,709.86/114,290.68
  6. Step 6: Final answer
    x = 91,812.08

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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.