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Finding the Fourth Proportional to 245,068.10, 367,602.15 and 87,301.70

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Solution

The fourth proportional to 245,068.10, 367,602.15 and 87,301.70 is: 130,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,068.10 : 367,602.15 = 87,301.70 : x
  2. Step 2: Convert to fraction form
    245,068.10/367,602.15 = 87,301.70/x
  3. Step 3: Cross multiply
    245,068.10x = 367,602.15 × 87,301.70
  4. Step 4: Simplify right side
    245,068.10x = 32,092,292,618.66
  5. Step 5: Solve for x
    x = 32,092,292,618.66/245,068.10
  6. Step 6: Final answer
    x = 130,952.55

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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.