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Finding the Fourth Proportional to 361,718.51, 542,524.93 and 105,482.22

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Solution

The fourth proportional to 361,718.51, 542,524.93 and 105,482.22 is: 158,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,718.51 : 542,524.93 = 105,482.22 : x
  2. Step 2: Convert to fraction form
    361,718.51/542,524.93 = 105,482.22/x
  3. Step 3: Cross multiply
    361,718.51x = 542,524.93 × 105,482.22
  4. Step 4: Simplify right side
    361,718.51x = 57,226,734,021.74
  5. Step 5: Solve for x
    x = 57,226,734,021.74/361,718.51
  6. Step 6: Final answer
    x = 158,207.92

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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.