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Finding the Fourth Proportional to 71,032.40, 106,548.60 and 69,995.60

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Solution

The fourth proportional to 71,032.40, 106,548.60 and 69,995.60 is: 104,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,032.40 : 106,548.60 = 69,995.60 : x
  2. Step 2: Convert to fraction form
    71,032.40/106,548.60 = 69,995.60/x
  3. Step 3: Cross multiply
    71,032.40x = 106,548.60 × 69,995.60
  4. Step 4: Simplify right side
    71,032.40x = 7,457,933,186.16
  5. Step 5: Solve for x
    x = 7,457,933,186.16/71,032.40
  6. Step 6: Final answer
    x = 104,993.40

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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.