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Finding the Fourth Proportional to 73,315.86, 101,170.80 and 43,102.46

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Solution

The fourth proportional to 73,315.86, 101,170.80 and 43,102.46 is: 59,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,315.86 : 101,170.80 = 43,102.46 : x
  2. Step 2: Convert to fraction form
    73,315.86/101,170.80 = 43,102.46/x
  3. Step 3: Cross multiply
    73,315.86x = 101,170.80 × 43,102.46
  4. Step 4: Simplify right side
    73,315.86x = 4,360,709,854.31
  5. Step 5: Solve for x
    x = 4,360,709,854.31/73,315.86
  6. Step 6: Final answer
    x = 59,478.40

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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.