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Finding the Fourth Proportional to 69,133.30, 103,699.95 and 22,390.90

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Solution

The fourth proportional to 69,133.30, 103,699.95 and 22,390.90 is: 33,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,133.30 : 103,699.95 = 22,390.90 : x
  2. Step 2: Convert to fraction form
    69,133.30/103,699.95 = 22,390.90/x
  3. Step 3: Cross multiply
    69,133.30x = 103,699.95 × 22,390.90
  4. Step 4: Simplify right side
    69,133.30x = 2,321,935,210.46
  5. Step 5: Solve for x
    x = 2,321,935,210.46/69,133.30
  6. Step 6: Final answer
    x = 33,586.35

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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.