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Finding the Fourth Proportional to 288,036.20, 432,054.30 and 101,066.60

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Solution

The fourth proportional to 288,036.20, 432,054.30 and 101,066.60 is: 151,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,036.20 : 432,054.30 = 101,066.60 : x
  2. Step 2: Convert to fraction form
    288,036.20/432,054.30 = 101,066.60/x
  3. Step 3: Cross multiply
    288,036.20x = 432,054.30 × 101,066.60
  4. Step 4: Simplify right side
    288,036.20x = 43,666,259,116.38
  5. Step 5: Solve for x
    x = 43,666,259,116.38/288,036.20
  6. Step 6: Final answer
    x = 151,599.90

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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.