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Finding the Fourth Proportional to 73,047.93, 100,818.51 and 42,416.25

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Solution

The fourth proportional to 73,047.93, 100,818.51 and 42,416.25 is: 58,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047.93 : 100,818.51 = 42,416.25 : x
  2. Step 2: Convert to fraction form
    73,047.93/100,818.51 = 42,416.25/x
  3. Step 3: Cross multiply
    73,047.93x = 100,818.51 × 42,416.25
  4. Step 4: Simplify right side
    73,047.93x = 4,276,343,124.79
  5. Step 5: Solve for x
    x = 4,276,343,124.79/73,047.93
  6. Step 6: Final answer
    x = 58,541.61

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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.