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Finding the Fourth Proportional to 114,683.74, 158,276.14 and 65,629.91

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Solution

The fourth proportional to 114,683.74, 158,276.14 and 65,629.91 is: 90,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,683.74 : 158,276.14 = 65,629.91 : x
  2. Step 2: Convert to fraction form
    114,683.74/158,276.14 = 65,629.91/x
  3. Step 3: Cross multiply
    114,683.74x = 158,276.14 × 65,629.91
  4. Step 4: Simplify right side
    114,683.74x = 10,387,648,823.35
  5. Step 5: Solve for x
    x = 10,387,648,823.35/114,683.74
  6. Step 6: Final answer
    x = 90,576.47

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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.