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Finding the Fourth Proportional to 121,068.69, 181,632.15 and 37,962.69

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Solution

The fourth proportional to 121,068.69, 181,632.15 and 37,962.69 is: 56,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,068.69 : 181,632.15 = 37,962.69 : x
  2. Step 2: Convert to fraction form
    121,068.69/181,632.15 = 37,962.69/x
  3. Step 3: Cross multiply
    121,068.69x = 181,632.15 × 37,962.69
  4. Step 4: Simplify right side
    121,068.69x = 6,895,245,004.48
  5. Step 5: Solve for x
    x = 6,895,245,004.48/121,068.69
  6. Step 6: Final answer
    x = 56,953.16

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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.