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Finding the Fourth Proportional to 70,003.17, 105,004.31 and 41,931.20

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Solution

The fourth proportional to 70,003.17, 105,004.31 and 41,931.20 is: 62,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.17 : 105,004.31 = 41,931.20 : x
  2. Step 2: Convert to fraction form
    70,003.17/105,004.31 = 41,931.20/x
  3. Step 3: Cross multiply
    70,003.17x = 105,004.31 × 41,931.20
  4. Step 4: Simplify right side
    70,003.17x = 4,402,956,776.33
  5. Step 5: Solve for x
    x = 4,402,956,776.33/70,003.17
  6. Step 6: Final answer
    x = 62,896.53

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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.