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Finding the Fourth Proportional to 242,681.70, 364,022.55 and 84,926.10

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Solution

The fourth proportional to 242,681.70, 364,022.55 and 84,926.10 is: 127,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,681.70 : 364,022.55 = 84,926.10 : x
  2. Step 2: Convert to fraction form
    242,681.70/364,022.55 = 84,926.10/x
  3. Step 3: Cross multiply
    242,681.70x = 364,022.55 × 84,926.10
  4. Step 4: Simplify right side
    242,681.70x = 30,915,015,483.56
  5. Step 5: Solve for x
    x = 30,915,015,483.56/242,681.70
  6. Step 6: Final answer
    x = 127,389.15

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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.