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Finding the Fourth Proportional to 134,349.84, 185,398.83 and 73,920.45

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Solution

The fourth proportional to 134,349.84, 185,398.83 and 73,920.45 is: 102,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,349.84 : 185,398.83 = 73,920.45 : x
  2. Step 2: Convert to fraction form
    134,349.84/185,398.83 = 73,920.45/x
  3. Step 3: Cross multiply
    134,349.84x = 185,398.83 × 73,920.45
  4. Step 4: Simplify right side
    134,349.84x = 13,704,764,943.07
  5. Step 5: Solve for x
    x = 13,704,764,943.07/134,349.84
  6. Step 6: Final answer
    x = 102,008.05

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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.