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Finding the Fourth Proportional to 203,468.24, 304,892.52 and 103,478.60

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Solution

The fourth proportional to 203,468.24, 304,892.52 and 103,478.60 is: 155,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,468.24 : 304,892.52 = 103,478.60 : x
  2. Step 2: Convert to fraction form
    203,468.24/304,892.52 = 103,478.60/x
  3. Step 3: Cross multiply
    203,468.24x = 304,892.52 × 103,478.60
  4. Step 4: Simplify right side
    203,468.24x = 31,549,849,595.61
  5. Step 5: Solve for x
    x = 31,549,849,595.61/203,468.24
  6. Step 6: Final answer
    x = 155,060.32

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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.