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Finding the Fourth Proportional to 70,262.40, 105,402.48 and 32,302.56

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Solution

The fourth proportional to 70,262.40, 105,402.48 and 32,302.56 is: 48,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,262.40 : 105,402.48 = 32,302.56 : x
  2. Step 2: Convert to fraction form
    70,262.40/105,402.48 = 32,302.56/x
  3. Step 3: Cross multiply
    70,262.40x = 105,402.48 × 32,302.56
  4. Step 4: Simplify right side
    70,262.40x = 3,404,769,934.35
  5. Step 5: Solve for x
    x = 3,404,769,934.35/70,262.40
  6. Step 6: Final answer
    x = 48,457.92

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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.