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Finding the Fourth Proportional to 96,036.60, 144,054.90 and 72,708.60

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Solution

The fourth proportional to 96,036.60, 144,054.90 and 72,708.60 is: 109,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,036.60 : 144,054.90 = 72,708.60 : x
  2. Step 2: Convert to fraction form
    96,036.60/144,054.90 = 72,708.60/x
  3. Step 3: Cross multiply
    96,036.60x = 144,054.90 × 72,708.60
  4. Step 4: Simplify right side
    96,036.60x = 10,474,030,102.14
  5. Step 5: Solve for x
    x = 10,474,030,102.14/96,036.60
  6. Step 6: Final answer
    x = 109,062.90

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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.