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Finding the Fourth Proportional to 181,050.54, 249,879.78 and 105,599.04

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Solution

The fourth proportional to 181,050.54, 249,879.78 and 105,599.04 is: 145,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,050.54 : 249,879.78 = 105,599.04 : x
  2. Step 2: Convert to fraction form
    181,050.54/249,879.78 = 105,599.04/x
  3. Step 3: Cross multiply
    181,050.54x = 249,879.78 × 105,599.04
  4. Step 4: Simplify right side
    181,050.54x = 26,387,064,883.41
  5. Step 5: Solve for x
    x = 26,387,064,883.41/181,050.54
  6. Step 6: Final answer
    x = 145,744.19

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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.