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Finding the Fourth Proportional to 219,953.07, 329,935.34 and 70,193.16

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Solution

The fourth proportional to 219,953.07, 329,935.34 and 70,193.16 is: 105,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,953.07 : 329,935.34 = 70,193.16 : x
  2. Step 2: Convert to fraction form
    219,953.07/329,935.34 = 70,193.16/x
  3. Step 3: Cross multiply
    219,953.07x = 329,935.34 × 70,193.16
  4. Step 4: Simplify right side
    219,953.07x = 23,159,204,285.76
  5. Step 5: Solve for x
    x = 23,159,204,285.76/219,953.07
  6. Step 6: Final answer
    x = 105,291.57

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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.