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Finding the Fourth Proportional to 114,699.56, 158,283.06 and 64,398.56

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Solution

The fourth proportional to 114,699.56, 158,283.06 and 64,398.56 is: 88,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,699.56 : 158,283.06 = 64,398.56 : x
  2. Step 2: Convert to fraction form
    114,699.56/158,283.06 = 64,398.56/x
  3. Step 3: Cross multiply
    114,699.56x = 158,283.06 × 64,398.56
  4. Step 4: Simplify right side
    114,699.56x = 10,193,201,136.39
  5. Step 5: Solve for x
    x = 10,193,201,136.39/114,699.56
  6. Step 6: Final answer
    x = 88,868.70

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1.5x scale

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.