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Finding the Fourth Proportional to 292,893.07, 439,253.48 and 124,412.06

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Solution

The fourth proportional to 292,893.07, 439,253.48 and 124,412.06 is: 186,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,893.07 : 439,253.48 = 124,412.06 : x
  2. Step 2: Convert to fraction form
    292,893.07/439,253.48 = 124,412.06/x
  3. Step 3: Cross multiply
    292,893.07x = 439,253.48 × 124,412.06
  4. Step 4: Simplify right side
    292,893.07x = 54,648,430,308.97
  5. Step 5: Solve for x
    x = 54,648,430,308.97/292,893.07
  6. Step 6: Final answer
    x = 186,581.51

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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.