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Finding the Fourth Proportional to 229,700.88, 316,988.64 and 132,902.64

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Solution

The fourth proportional to 229,700.88, 316,988.64 and 132,902.64 is: 183,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,700.88 : 316,988.64 = 132,902.64 : x
  2. Step 2: Convert to fraction form
    229,700.88/316,988.64 = 132,902.64/x
  3. Step 3: Cross multiply
    229,700.88x = 316,988.64 × 132,902.64
  4. Step 4: Simplify right side
    229,700.88x = 42,128,627,106.01
  5. Step 5: Solve for x
    x = 42,128,627,106.01/229,700.88
  6. Step 6: Final answer
    x = 183,406.47

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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.