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Finding the Fourth Proportional to 98,807.01, 136,354.00 and 53,484.98

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Solution

The fourth proportional to 98,807.01, 136,354.00 and 53,484.98 is: 73,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,807.01 : 136,354.00 = 53,484.98 : x
  2. Step 2: Convert to fraction form
    98,807.01/136,354.00 = 53,484.98/x
  3. Step 3: Cross multiply
    98,807.01x = 136,354.00 × 53,484.98
  4. Step 4: Simplify right side
    98,807.01x = 7,292,890,247.72
  5. Step 5: Solve for x
    x = 7,292,890,247.72/98,807.01
  6. Step 6: Final answer
    x = 73,809.44

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Why These Related Problems?

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