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Finding the Fourth Proportional to 110,677.68, 165,153.29 and 98,749.45

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Solution

The fourth proportional to 110,677.68, 165,153.29 and 98,749.45 is: 147,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,677.68 : 165,153.29 = 98,749.45 : x
  2. Step 2: Convert to fraction form
    110,677.68/165,153.29 = 98,749.45/x
  3. Step 3: Cross multiply
    110,677.68x = 165,153.29 × 98,749.45
  4. Step 4: Simplify right side
    110,677.68x = 16,308,796,553.19
  5. Step 5: Solve for x
    x = 16,308,796,553.19/110,677.68
  6. Step 6: Final answer
    x = 147,353.98

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1.5x scale

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.