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Finding the Fourth Proportional to 104,027.40, 156,041.10 and 99,653.40

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Solution

The fourth proportional to 104,027.40, 156,041.10 and 99,653.40 is: 149,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,027.40 : 156,041.10 = 99,653.40 : x
  2. Step 2: Convert to fraction form
    104,027.40/156,041.10 = 99,653.40/x
  3. Step 3: Cross multiply
    104,027.40x = 156,041.10 × 99,653.40
  4. Step 4: Simplify right side
    104,027.40x = 15,550,026,154.74
  5. Step 5: Solve for x
    x = 15,550,026,154.74/104,027.40
  6. Step 6: Final answer
    x = 149,480.10

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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.