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Finding the Fourth Proportional to 117,015.60, 175,523.40 and 99,300.90

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Solution

The fourth proportional to 117,015.60, 175,523.40 and 99,300.90 is: 148,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,015.60 : 175,523.40 = 99,300.90 : x
  2. Step 2: Convert to fraction form
    117,015.60/175,523.40 = 99,300.90/x
  3. Step 3: Cross multiply
    117,015.60x = 175,523.40 × 99,300.90
  4. Step 4: Simplify right side
    117,015.60x = 17,429,631,591.06
  5. Step 5: Solve for x
    x = 17,429,631,591.06/117,015.60
  6. Step 6: Final answer
    x = 148,951.35

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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.