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Finding the Fourth Proportional to 334,782.83, 502,178.32 and 98,130.29

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Solution

The fourth proportional to 334,782.83, 502,178.32 and 98,130.29 is: 147,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,782.83 : 502,178.32 = 98,130.29 : x
  2. Step 2: Convert to fraction form
    334,782.83/502,178.32 = 98,130.29/x
  3. Step 3: Cross multiply
    334,782.83x = 502,178.32 × 98,130.29
  4. Step 4: Simplify right side
    334,782.83x = 49,278,904,418.64
  5. Step 5: Solve for x
    x = 49,278,904,418.64/334,782.83
  6. Step 6: Final answer
    x = 147,196.63

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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.