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Finding the Fourth Proportional to 167,492.40, 251,159.40 and 97,393.20

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Solution

The fourth proportional to 167,492.40, 251,159.40 and 97,393.20 is: 146,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,492.40 : 251,159.40 = 97,393.20 : x
  2. Step 2: Convert to fraction form
    167,492.40/251,159.40 = 97,393.20/x
  3. Step 3: Cross multiply
    167,492.40x = 251,159.40 × 97,393.20
  4. Step 4: Simplify right side
    167,492.40x = 24,461,217,676.08
  5. Step 5: Solve for x
    x = 24,461,217,676.08/167,492.40
  6. Step 6: Final answer
    x = 146,043.75

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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.