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Finding the Fourth Proportional to 147,604.40, 221,435.40 and 63,364.40

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Solution

The fourth proportional to 147,604.40, 221,435.40 and 63,364.40 is: 95,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,604.40 : 221,435.40 = 63,364.40 : x
  2. Step 2: Convert to fraction form
    147,604.40/221,435.40 = 63,364.40/x
  3. Step 3: Cross multiply
    147,604.40x = 221,435.40 × 63,364.40
  4. Step 4: Simplify right side
    147,604.40x = 14,031,121,259.76
  5. Step 5: Solve for x
    x = 14,031,121,259.76/147,604.40
  6. Step 6: Final answer
    x = 95,058.96

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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.