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Finding the Fourth Proportional to 130,162.50, 179,624.43 and 70,546.50

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Solution

The fourth proportional to 130,162.50, 179,624.43 and 70,546.50 is: 97,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,162.50 : 179,624.43 = 70,546.50 : x
  2. Step 2: Convert to fraction form
    130,162.50/179,624.43 = 70,546.50/x
  3. Step 3: Cross multiply
    130,162.50x = 179,624.43 × 70,546.50
  4. Step 4: Simplify right side
    130,162.50x = 12,671,874,851.00
  5. Step 5: Solve for x
    x = 12,671,874,851.00/130,162.50
  6. Step 6: Final answer
    x = 97,354.27

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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.