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Finding the Fourth Proportional to 101,903.76, 151,804.98 and 98,808.48

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Solution

The fourth proportional to 101,903.76, 151,804.98 and 98,808.48 is: 147,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,903.76 : 151,804.98 = 98,808.48 : x
  2. Step 2: Convert to fraction form
    101,903.76/151,804.98 = 98,808.48/x
  3. Step 3: Cross multiply
    101,903.76x = 151,804.98 × 98,808.48
  4. Step 4: Simplify right side
    101,903.76x = 14,999,619,330.23
  5. Step 5: Solve for x
    x = 14,999,619,330.23/101,903.76
  6. Step 6: Final answer
    x = 147,193.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.