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Finding the Fourth Proportional to 134,154.79, 185,134.49 and 73,730.41

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Solution

The fourth proportional to 134,154.79, 185,134.49 and 73,730.41 is: 101,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,154.79 : 185,134.49 = 73,730.41 : x
  2. Step 2: Convert to fraction form
    134,154.79/185,134.49 = 73,730.41/x
  3. Step 3: Cross multiply
    134,154.79x = 185,134.49 × 73,730.41
  4. Step 4: Simplify right side
    134,154.79x = 13,650,041,852.84
  5. Step 5: Solve for x
    x = 13,650,041,852.84/134,154.79
  6. Step 6: Final answer
    x = 101,748.45

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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.