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Finding the Fourth Proportional to 114,903.64, 172,308.29 and 43,852.15

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Solution

The fourth proportional to 114,903.64, 172,308.29 and 43,852.15 is: 65,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,903.64 : 172,308.29 = 43,852.15 : x
  2. Step 2: Convert to fraction form
    114,903.64/172,308.29 = 43,852.15/x
  3. Step 3: Cross multiply
    114,903.64x = 172,308.29 × 43,852.15
  4. Step 4: Simplify right side
    114,903.64x = 7,556,088,979.32
  5. Step 5: Solve for x
    x = 7,556,088,979.32/114,903.64
  6. Step 6: Final answer
    x = 65,760.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.