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Finding the Fourth Proportional to 242,490.08, 363,454.47 and 114,487.53

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Solution

The fourth proportional to 242,490.08, 363,454.47 and 114,487.53 is: 171,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,490.08 : 363,454.47 = 114,487.53 : x
  2. Step 2: Convert to fraction form
    242,490.08/363,454.47 = 114,487.53/x
  3. Step 3: Cross multiply
    242,490.08x = 363,454.47 × 114,487.53
  4. Step 4: Simplify right side
    242,490.08x = 41,611,005,877.28
  5. Step 5: Solve for x
    x = 41,611,005,877.28/242,490.08
  6. Step 6: Final answer
    x = 171,598.80

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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.