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Finding the Fourth Proportional to 72,352.44, 108,527.65 and 70,565.58

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Solution

The fourth proportional to 72,352.44, 108,527.65 and 70,565.58 is: 105,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,352.44 : 108,527.65 = 70,565.58 : x
  2. Step 2: Convert to fraction form
    72,352.44/108,527.65 = 70,565.58/x
  3. Step 3: Cross multiply
    72,352.44x = 108,527.65 × 70,565.58
  4. Step 4: Simplify right side
    72,352.44x = 7,658,316,391.87
  5. Step 5: Solve for x
    x = 7,658,316,391.87/72,352.44
  6. Step 6: Final answer
    x = 105,847.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.