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Finding the Fourth Proportional to 98,898.51, 148,330.03 and 27,804.09

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Solution

The fourth proportional to 98,898.51, 148,330.03 and 27,804.09 is: 41,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,898.51 : 148,330.03 = 27,804.09 : x
  2. Step 2: Convert to fraction form
    98,898.51/148,330.03 = 27,804.09/x
  3. Step 3: Cross multiply
    98,898.51x = 148,330.03 × 27,804.09
  4. Step 4: Simplify right side
    98,898.51x = 4,124,181,798.22
  5. Step 5: Solve for x
    x = 4,124,181,798.22/98,898.51
  6. Step 6: Final answer
    x = 41,701.15

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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.