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Finding the Fourth Proportional to 114,984.42, 158,678.46 and 64,683.42

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Solution

The fourth proportional to 114,984.42, 158,678.46 and 64,683.42 is: 89,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,984.42 : 158,678.46 = 64,683.42 : x
  2. Step 2: Convert to fraction form
    114,984.42/158,678.46 = 64,683.42/x
  3. Step 3: Cross multiply
    114,984.42x = 158,678.46 × 64,683.42
  4. Step 4: Simplify right side
    114,984.42x = 10,263,865,473.13
  5. Step 5: Solve for x
    x = 10,263,865,473.13/114,984.42
  6. Step 6: Final answer
    x = 89,263.10

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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.