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Finding the Fourth Proportional to 134,356.71, 201,612.96 and 67,802.05

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Solution

The fourth proportional to 134,356.71, 201,612.96 and 67,802.05 is: 101,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,356.71 : 201,612.96 = 67,802.05 : x
  2. Step 2: Convert to fraction form
    134,356.71/201,612.96 = 67,802.05/x
  3. Step 3: Cross multiply
    134,356.71x = 201,612.96 × 67,802.05
  4. Step 4: Simplify right side
    134,356.71x = 13,669,771,994.57
  5. Step 5: Solve for x
    x = 13,669,771,994.57/134,356.71
  6. Step 6: Final answer
    x = 101,742.38

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1.5x scale

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.