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Finding the Fourth Proportional to 245,095.80, 367,645.14 and 87,330.36

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Solution

The fourth proportional to 245,095.80, 367,645.14 and 87,330.36 is: 130,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,095.80 : 367,645.14 = 87,330.36 : x
  2. Step 2: Convert to fraction form
    245,095.80/367,645.14 = 87,330.36/x
  3. Step 3: Cross multiply
    245,095.80x = 367,645.14 × 87,330.36
  4. Step 4: Simplify right side
    245,095.80x = 32,106,582,428.45
  5. Step 5: Solve for x
    x = 32,106,582,428.45/245,095.80
  6. Step 6: Final answer
    x = 130,996.05

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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.