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Finding the Fourth Proportional to 70,109.69, 96,750.63 and 43,241.45

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Solution

The fourth proportional to 70,109.69, 96,750.63 and 43,241.45 is: 59,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,109.69 : 96,750.63 = 43,241.45 : x
  2. Step 2: Convert to fraction form
    70,109.69/96,750.63 = 43,241.45/x
  3. Step 3: Cross multiply
    70,109.69x = 96,750.63 × 43,241.45
  4. Step 4: Simplify right side
    70,109.69x = 4,183,637,045.86
  5. Step 5: Solve for x
    x = 4,183,637,045.86/70,109.69
  6. Step 6: Final answer
    x = 59,672.74

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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.