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Finding the Fourth Proportional to 264,681.90, 396,799.56 and 114,809.36

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Solution

The fourth proportional to 264,681.90, 396,799.56 and 114,809.36 is: 172,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,681.90 : 396,799.56 = 114,809.36 : x
  2. Step 2: Convert to fraction form
    264,681.90/396,799.56 = 114,809.36/x
  3. Step 3: Cross multiply
    264,681.90x = 396,799.56 × 114,809.36
  4. Step 4: Simplify right side
    264,681.90x = 45,556,301,547.88
  5. Step 5: Solve for x
    x = 45,556,301,547.88/264,681.90
  6. Step 6: Final answer
    x = 172,117.18

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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.