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Finding the Fourth Proportional to 99,080.55, 148,620.83 and 97,440.30

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Solution

The fourth proportional to 99,080.55, 148,620.83 and 97,440.30 is: 146,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,080.55 : 148,620.83 = 97,440.30 : x
  2. Step 2: Convert to fraction form
    99,080.55/148,620.83 = 97,440.30/x
  3. Step 3: Cross multiply
    99,080.55x = 148,620.83 × 97,440.30
  4. Step 4: Simplify right side
    99,080.55x = 14,481,657,774.25
  5. Step 5: Solve for x
    x = 14,481,657,774.25/99,080.55
  6. Step 6: Final answer
    x = 146,160.45

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1.5x scale

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.