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Finding the Fourth Proportional to 70,200.01, 105,318.48 and 25,225.91

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Solution

The fourth proportional to 70,200.01, 105,318.48 and 25,225.91 is: 37,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,200.01 : 105,318.48 = 25,225.91 : x
  2. Step 2: Convert to fraction form
    70,200.01/105,318.48 = 25,225.91/x
  3. Step 3: Cross multiply
    70,200.01x = 105,318.48 × 25,225.91
  4. Step 4: Simplify right side
    70,200.01x = 2,656,753,971.22
  5. Step 5: Solve for x
    x = 2,656,753,971.22/70,200.01
  6. Step 6: Final answer
    x = 37,845.50

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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.