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Finding the Fourth Proportional to 147,269.84, 220,914.48 and 88,483.28

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Solution

The fourth proportional to 147,269.84, 220,914.48 and 88,483.28 is: 132,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,269.84 : 220,914.48 = 88,483.28 : x
  2. Step 2: Convert to fraction form
    147,269.84/220,914.48 = 88,483.28/x
  3. Step 3: Cross multiply
    147,269.84x = 220,914.48 × 88,483.28
  4. Step 4: Simplify right side
    147,269.84x = 19,547,237,789.89
  5. Step 5: Solve for x
    x = 19,547,237,789.89/147,269.84
  6. Step 6: Final answer
    x = 132,730.76

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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.