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Finding the Fourth Proportional to 121,153.65, 181,767.66 and 62,030.82

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Solution

The fourth proportional to 121,153.65, 181,767.66 and 62,030.82 is: 93,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,153.65 : 181,767.66 = 62,030.82 : x
  2. Step 2: Convert to fraction form
    121,153.65/181,767.66 = 62,030.82/x
  3. Step 3: Cross multiply
    121,153.65x = 181,767.66 × 62,030.82
  4. Step 4: Simplify right side
    121,153.65x = 11,275,196,999.28
  5. Step 5: Solve for x
    x = 11,275,196,999.28/121,153.65
  6. Step 6: Final answer
    x = 93,065.27

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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.