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Finding the Fourth Proportional to 147,503.68, 221,255.04 and 36,695.68

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Solution

The fourth proportional to 147,503.68, 221,255.04 and 36,695.68 is: 55,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.68 : 221,255.04 = 36,695.68 : x
  2. Step 2: Convert to fraction form
    147,503.68/221,255.04 = 36,695.68/x
  3. Step 3: Cross multiply
    147,503.68x = 221,255.04 × 36,695.68
  4. Step 4: Simplify right side
    147,503.68x = 8,119,104,146.23
  5. Step 5: Solve for x
    x = 8,119,104,146.23/147,503.68
  6. Step 6: Final answer
    x = 55,043.40

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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.