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Finding the Fourth Proportional to 230,253.16, 345,362.88 and 72,526.72

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Solution

The fourth proportional to 230,253.16, 345,362.88 and 72,526.72 is: 108,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,253.16 : 345,362.88 = 72,526.72 : x
  2. Step 2: Convert to fraction form
    230,253.16/345,362.88 = 72,526.72/x
  3. Step 3: Cross multiply
    230,253.16x = 345,362.88 × 72,526.72
  4. Step 4: Simplify right side
    230,253.16x = 25,048,036,896.15
  5. Step 5: Solve for x
    x = 25,048,036,896.15/230,253.16
  6. Step 6: Final answer
    x = 108,784.77

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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.