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Finding the Fourth Proportional to 164,987.89, 227,565.65 and 151,419.65

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Solution

The fourth proportional to 164,987.89, 227,565.65 and 151,419.65 is: 208,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,987.89 : 227,565.65 = 151,419.65 : x
  2. Step 2: Convert to fraction form
    164,987.89/227,565.65 = 151,419.65/x
  3. Step 3: Cross multiply
    164,987.89x = 227,565.65 × 151,419.65
  4. Step 4: Simplify right side
    164,987.89x = 34,457,912,235.83
  5. Step 5: Solve for x
    x = 34,457,912,235.83/164,987.89
  6. Step 6: Final answer
    x = 208,851.16

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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.