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Finding the Fourth Proportional to 292,873.83, 439,320.42 and 100,746.33

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Solution

The fourth proportional to 292,873.83, 439,320.42 and 100,746.33 is: 151,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,873.83 : 439,320.42 = 100,746.33 : x
  2. Step 2: Convert to fraction form
    292,873.83/439,320.42 = 100,746.33/x
  3. Step 3: Cross multiply
    292,873.83x = 439,320.42 × 100,746.33
  4. Step 4: Simplify right side
    292,873.83x = 44,259,920,009.06
  5. Step 5: Solve for x
    x = 44,259,920,009.06/292,873.83
  6. Step 6: Final answer
    x = 151,122.82

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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.