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Finding the Fourth Proportional to 73,006.30, 100,770.24 and 42,798.16

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Solution

The fourth proportional to 73,006.30, 100,770.24 and 42,798.16 is: 59,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.30 : 100,770.24 = 42,798.16 : x
  2. Step 2: Convert to fraction form
    73,006.30/100,770.24 = 42,798.16/x
  3. Step 3: Cross multiply
    73,006.30x = 100,770.24 × 42,798.16
  4. Step 4: Simplify right side
    73,006.30x = 4,312,780,854.76
  5. Step 5: Solve for x
    x = 4,312,780,854.76/73,006.30
  6. Step 6: Final answer
    x = 59,074.09

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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.