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Finding the Fourth Proportional to 98,008.90, 146,827.86 and 57,907.96

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Solution

The fourth proportional to 98,008.90, 146,827.86 and 57,907.96 is: 86,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,008.90 : 146,827.86 = 57,907.96 : x
  2. Step 2: Convert to fraction form
    98,008.90/146,827.86 = 57,907.96/x
  3. Step 3: Cross multiply
    98,008.90x = 146,827.86 × 57,907.96
  4. Step 4: Simplify right side
    98,008.90x = 8,502,501,843.77
  5. Step 5: Solve for x
    x = 8,502,501,843.77/98,008.90
  6. Step 6: Final answer
    x = 86,752.34

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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.