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Finding the Fourth Proportional to 73,061.51, 100,437.84 and 62,814.80

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Solution

The fourth proportional to 73,061.51, 100,437.84 and 62,814.80 is: 86,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,061.51 : 100,437.84 = 62,814.80 : x
  2. Step 2: Convert to fraction form
    73,061.51/100,437.84 = 62,814.80/x
  3. Step 3: Cross multiply
    73,061.51x = 100,437.84 × 62,814.80
  4. Step 4: Simplify right side
    73,061.51x = 6,308,982,015.77
  5. Step 5: Solve for x
    x = 6,308,982,015.77/73,061.51
  6. Step 6: Final answer
    x = 86,351.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.