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Finding the Fourth Proportional to 73,116.72, 100,909.53 and 44,437.86

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Solution

The fourth proportional to 73,116.72, 100,909.53 and 44,437.86 is: 61,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.72 : 100,909.53 = 44,437.86 : x
  2. Step 2: Convert to fraction form
    73,116.72/100,909.53 = 44,437.86/x
  3. Step 3: Cross multiply
    73,116.72x = 100,909.53 × 44,437.86
  4. Step 4: Simplify right side
    73,116.72x = 4,484,203,566.81
  5. Step 5: Solve for x
    x = 4,484,203,566.81/73,116.72
  6. Step 6: Final answer
    x = 61,329.39

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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.