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Finding the Fourth Proportional to 134,412.76, 201,604.74 and 40,919.32

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Solution

The fourth proportional to 134,412.76, 201,604.74 and 40,919.32 is: 61,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,412.76 : 201,604.74 = 40,919.32 : x
  2. Step 2: Convert to fraction form
    134,412.76/201,604.74 = 40,919.32/x
  3. Step 3: Cross multiply
    134,412.76x = 201,604.74 × 40,919.32
  4. Step 4: Simplify right side
    134,412.76x = 8,249,528,869.58
  5. Step 5: Solve for x
    x = 8,249,528,869.58/134,412.76
  6. Step 6: Final answer
    x = 61,374.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.