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Finding the Fourth Proportional to 146,362.08, 201,980.64 and 79,294.08

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Solution

The fourth proportional to 146,362.08, 201,980.64 and 79,294.08 is: 109,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,362.08 : 201,980.64 = 79,294.08 : x
  2. Step 2: Convert to fraction form
    146,362.08/201,980.64 = 79,294.08/x
  3. Step 3: Cross multiply
    146,362.08x = 201,980.64 × 79,294.08
  4. Step 4: Simplify right side
    146,362.08x = 16,015,869,026.61
  5. Step 5: Solve for x
    x = 16,015,869,026.61/146,362.08
  6. Step 6: Final answer
    x = 109,426.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.