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Finding the Fourth Proportional to 288,037.20, 432,055.80 and 101,067.60

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Solution

The fourth proportional to 288,037.20, 432,055.80 and 101,067.60 is: 151,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,037.20 : 432,055.80 = 101,067.60 : x
  2. Step 2: Convert to fraction form
    288,037.20/432,055.80 = 101,067.60/x
  3. Step 3: Cross multiply
    288,037.20x = 432,055.80 × 101,067.60
  4. Step 4: Simplify right side
    288,037.20x = 43,666,842,772.08
  5. Step 5: Solve for x
    x = 43,666,842,772.08/288,037.20
  6. Step 6: Final answer
    x = 151,601.40

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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.