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Finding the Fourth Proportional to 242,412.59, 334,539.24 and 134,975.81

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Solution

The fourth proportional to 242,412.59, 334,539.24 and 134,975.81 is: 186,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,412.59 : 334,539.24 = 134,975.81 : x
  2. Step 2: Convert to fraction form
    242,412.59/334,539.24 = 134,975.81/x
  3. Step 3: Cross multiply
    242,412.59x = 334,539.24 × 134,975.81
  4. Step 4: Simplify right side
    242,412.59x = 45,154,704,895.78
  5. Step 5: Solve for x
    x = 45,154,704,895.78/242,412.59
  6. Step 6: Final answer
    x = 186,272.11

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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.