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Finding the Fourth Proportional to 147,483.28, 221,225.64 and 36,675.28

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Solution

The fourth proportional to 147,483.28, 221,225.64 and 36,675.28 is: 55,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,483.28 : 221,225.64 = 36,675.28 : x
  2. Step 2: Convert to fraction form
    147,483.28/221,225.64 = 36,675.28/x
  3. Step 3: Cross multiply
    147,483.28x = 221,225.64 × 36,675.28
  4. Step 4: Simplify right side
    147,483.28x = 8,113,512,290.18
  5. Step 5: Solve for x
    x = 8,113,512,290.18/147,483.28
  6. Step 6: Final answer
    x = 55,013.10

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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.