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Finding the Fourth Proportional to 242,996.55, 364,657.53 and 100,841.95

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Solution

The fourth proportional to 242,996.55, 364,657.53 and 100,841.95 is: 151,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,996.55 : 364,657.53 = 100,841.95 : x
  2. Step 2: Convert to fraction form
    242,996.55/364,657.53 = 100,841.95/x
  3. Step 3: Cross multiply
    242,996.55x = 364,657.53 × 100,841.95
  4. Step 4: Simplify right side
    242,996.55x = 36,772,776,407.38
  5. Step 5: Solve for x
    x = 36,772,776,407.38/242,996.55
  6. Step 6: Final answer
    x = 151,330.45

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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.