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Finding the Fourth Proportional to 219,864.48, 329,770.80 and 98,299.68

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Solution

The fourth proportional to 219,864.48, 329,770.80 and 98,299.68 is: 147,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,864.48 : 329,770.80 = 98,299.68 : x
  2. Step 2: Convert to fraction form
    219,864.48/329,770.80 = 98,299.68/x
  3. Step 3: Cross multiply
    219,864.48x = 329,770.80 × 98,299.68
  4. Step 4: Simplify right side
    219,864.48x = 32,416,364,113.34
  5. Step 5: Solve for x
    x = 32,416,364,113.34/219,864.48
  6. Step 6: Final answer
    x = 147,437.93

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1.5x scale

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.