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Finding the Fourth Proportional to 135,033.84, 185,808 and 130,925.01

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Solution

The fourth proportional to 135,033.84, 185,808 and 130,925.01 is: 180,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,033.84 : 185,808 = 130,925.01 : x
  2. Step 2: Convert to fraction form
    135,033.84/185,808 = 130,925.01/x
  3. Step 3: Cross multiply
    135,033.84x = 185,808 × 130,925.01
  4. Step 4: Simplify right side
    135,033.84x = 24,326,914,258.08
  5. Step 5: Solve for x
    x = 24,326,914,258.08/135,033.84
  6. Step 6: Final answer
    x = 180,154.21

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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.