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Finding the Fourth Proportional to 254,681.01, 382,021.52 and 121,655.52

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Solution

The fourth proportional to 254,681.01, 382,021.52 and 121,655.52 is: 182,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,681.01 : 382,021.52 = 121,655.52 : x
  2. Step 2: Convert to fraction form
    254,681.01/382,021.52 = 121,655.52/x
  3. Step 3: Cross multiply
    254,681.01x = 382,021.52 × 121,655.52
  4. Step 4: Simplify right side
    254,681.01x = 46,475,026,058.51
  5. Step 5: Solve for x
    x = 46,475,026,058.51/254,681.01
  6. Step 6: Final answer
    x = 182,483.28

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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.