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Finding the Fourth Proportional to 73,047.92, 100,818.50 and 42,416.26

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Solution

The fourth proportional to 73,047.92, 100,818.50 and 42,416.26 is: 58,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047.92 : 100,818.50 = 42,416.26 : x
  2. Step 2: Convert to fraction form
    73,047.92/100,818.50 = 42,416.26/x
  3. Step 3: Cross multiply
    73,047.92x = 100,818.50 × 42,416.26
  4. Step 4: Simplify right side
    73,047.92x = 4,276,343,708.81
  5. Step 5: Solve for x
    x = 4,276,343,708.81/73,047.92
  6. Step 6: Final answer
    x = 58,541.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.