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Finding the Fourth Proportional to 242,298.99, 334,372.61 and 134,866.71

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Solution

The fourth proportional to 242,298.99, 334,372.61 and 134,866.71 is: 186,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,298.99 : 334,372.61 = 134,866.71 : x
  2. Step 2: Convert to fraction form
    242,298.99/334,372.61 = 134,866.71/x
  3. Step 3: Cross multiply
    242,298.99x = 334,372.61 × 134,866.71
  4. Step 4: Simplify right side
    242,298.99x = 45,095,733,824.81
  5. Step 5: Solve for x
    x = 45,095,733,824.81/242,298.99
  6. Step 6: Final answer
    x = 186,116.06

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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.