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Finding the Fourth Proportional to 242,426.88, 334,541.52 and 134,994.60

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Solution

The fourth proportional to 242,426.88, 334,541.52 and 134,994.60 is: 186,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,426.88 : 334,541.52 = 134,994.60 : x
  2. Step 2: Convert to fraction form
    242,426.88/334,541.52 = 134,994.60/x
  3. Step 3: Cross multiply
    242,426.88x = 334,541.52 × 134,994.60
  4. Step 4: Simplify right side
    242,426.88x = 45,161,298,675.79
  5. Step 5: Solve for x
    x = 45,161,298,675.79/242,426.88
  6. Step 6: Final answer
    x = 186,288.33

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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.