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Finding the Fourth Proportional to 114,880.68, 158,549.58 and 64,579.68

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Solution

The fourth proportional to 114,880.68, 158,549.58 and 64,579.68 is: 89,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,880.68 : 158,549.58 = 64,579.68 : x
  2. Step 2: Convert to fraction form
    114,880.68/158,549.58 = 64,579.68/x
  3. Step 3: Cross multiply
    114,880.68x = 158,549.58 × 64,579.68
  4. Step 4: Simplify right side
    114,880.68x = 10,239,081,140.53
  5. Step 5: Solve for x
    x = 10,239,081,140.53/114,880.68
  6. Step 6: Final answer
    x = 89,127.96

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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.