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Finding the Fourth Proportional to 114,357.16, 157,791.64 and 64,056.16

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Solution

The fourth proportional to 114,357.16, 157,791.64 and 64,056.16 is: 88,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,357.16 : 157,791.64 = 64,056.16 : x
  2. Step 2: Convert to fraction form
    114,357.16/157,791.64 = 64,056.16/x
  3. Step 3: Cross multiply
    114,357.16x = 157,791.64 × 64,056.16
  4. Step 4: Simplify right side
    114,357.16x = 10,107,526,538.50
  5. Step 5: Solve for x
    x = 10,107,526,538.50/114,357.16
  6. Step 6: Final answer
    x = 88,385.60

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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.