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Finding the Fourth Proportional to 266,656.42, 368,008.56 and 151,970.14

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Solution

The fourth proportional to 266,656.42, 368,008.56 and 151,970.14 is: 209,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,656.42 : 368,008.56 = 151,970.14 : x
  2. Step 2: Convert to fraction form
    266,656.42/368,008.56 = 151,970.14/x
  3. Step 3: Cross multiply
    266,656.42x = 368,008.56 × 151,970.14
  4. Step 4: Simplify right side
    266,656.42x = 55,926,312,384.40
  5. Step 5: Solve for x
    x = 55,926,312,384.40/266,656.42
  6. Step 6: Final answer
    x = 209,731.73

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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.