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Finding the Fourth Proportional to 167,301.90, 230,775.17 and 99,274.04

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Solution

The fourth proportional to 167,301.90, 230,775.17 and 99,274.04 is: 136,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,301.90 : 230,775.17 = 99,274.04 : x
  2. Step 2: Convert to fraction form
    167,301.90/230,775.17 = 99,274.04/x
  3. Step 3: Cross multiply
    167,301.90x = 230,775.17 × 99,274.04
  4. Step 4: Simplify right side
    167,301.90x = 22,909,983,457.59
  5. Step 5: Solve for x
    x = 22,909,983,457.59/167,301.90
  6. Step 6: Final answer
    x = 136,937.98

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1.5x scale

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.