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Finding the Fourth Proportional to 103,632.56, 155,448.84 and 37,068.65

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Solution

The fourth proportional to 103,632.56, 155,448.84 and 37,068.65 is: 55,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.56 : 155,448.84 = 37,068.65 : x
  2. Step 2: Convert to fraction form
    103,632.56/155,448.84 = 37,068.65/x
  3. Step 3: Cross multiply
    103,632.56x = 155,448.84 × 37,068.65
  4. Step 4: Simplify right side
    103,632.56x = 5,762,278,642.87
  5. Step 5: Solve for x
    x = 5,762,278,642.87/103,632.56
  6. Step 6: Final answer
    x = 55,602.98

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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.