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Finding the Fourth Proportional to 73,095.85, 100,871.18 and 40,830.92

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Solution

The fourth proportional to 73,095.85, 100,871.18 and 40,830.92 is: 56,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,095.85 : 100,871.18 = 40,830.92 : x
  2. Step 2: Convert to fraction form
    73,095.85/100,871.18 = 40,830.92/x
  3. Step 3: Cross multiply
    73,095.85x = 100,871.18 × 40,830.92
  4. Step 4: Simplify right side
    73,095.85x = 4,118,663,080.89
  5. Step 5: Solve for x
    x = 4,118,663,080.89/73,095.85
  6. Step 6: Final answer
    x = 56,346.06

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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.