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Finding the Fourth Proportional to 242,613.83, 334,798.21 and 135,178.27

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Solution

The fourth proportional to 242,613.83, 334,798.21 and 135,178.27 is: 186,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,613.83 : 334,798.21 = 135,178.27 : x
  2. Step 2: Convert to fraction form
    242,613.83/334,798.21 = 135,178.27/x
  3. Step 3: Cross multiply
    242,613.83x = 334,798.21 × 135,178.27
  4. Step 4: Simplify right side
    242,613.83x = 45,257,442,158.87
  5. Step 5: Solve for x
    x = 45,257,442,158.87/242,613.83
  6. Step 6: Final answer
    x = 186,541.06

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1.5x scale

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.