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Finding the Fourth Proportional to 242,802.84, 364,248.08 and 74,320.12

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Solution

The fourth proportional to 242,802.84, 364,248.08 and 74,320.12 is: 111,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,802.84 : 364,248.08 = 74,320.12 : x
  2. Step 2: Convert to fraction form
    242,802.84/364,248.08 = 74,320.12/x
  3. Step 3: Cross multiply
    242,802.84x = 364,248.08 × 74,320.12
  4. Step 4: Simplify right side
    242,802.84x = 27,070,961,015.37
  5. Step 5: Solve for x
    x = 27,070,961,015.37/242,802.84
  6. Step 6: Final answer
    x = 111,493.59

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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.