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Finding the Fourth Proportional to 242,070.60, 363,108.54 and 73,618.32

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Solution

The fourth proportional to 242,070.60, 363,108.54 and 73,618.32 is: 110,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,070.60 : 363,108.54 = 73,618.32 : x
  2. Step 2: Convert to fraction form
    242,070.60/363,108.54 = 73,618.32/x
  3. Step 3: Cross multiply
    242,070.60x = 363,108.54 × 73,618.32
  4. Step 4: Simplify right side
    242,070.60x = 26,731,440,692.45
  5. Step 5: Solve for x
    x = 26,731,440,692.45/242,070.60
  6. Step 6: Final answer
    x = 110,428.28

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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.