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Finding the Fourth Proportional to 147,770.40, 221,684.40 and 63,530.40

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Solution

The fourth proportional to 147,770.40, 221,684.40 and 63,530.40 is: 95,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,770.40 : 221,684.40 = 63,530.40 : x
  2. Step 2: Convert to fraction form
    147,770.40/221,684.40 = 63,530.40/x
  3. Step 3: Cross multiply
    147,770.40x = 221,684.40 × 63,530.40
  4. Step 4: Simplify right side
    147,770.40x = 14,083,698,605.76
  5. Step 5: Solve for x
    x = 14,083,698,605.76/147,770.40
  6. Step 6: Final answer
    x = 95,307.98

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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.