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Finding the Fourth Proportional to 98,846.48, 136,417.91 and 56,411.39

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Solution

The fourth proportional to 98,846.48, 136,417.91 and 56,411.39 is: 77,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,846.48 : 136,417.91 = 56,411.39 : x
  2. Step 2: Convert to fraction form
    98,846.48/136,417.91 = 56,411.39/x
  3. Step 3: Cross multiply
    98,846.48x = 136,417.91 × 56,411.39
  4. Step 4: Simplify right side
    98,846.48x = 7,695,522,959.85
  5. Step 5: Solve for x
    x = 7,695,522,959.85/98,846.48
  6. Step 6: Final answer
    x = 77,853.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.