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Finding the Fourth Proportional to 114,103.49, 170,931.67 and 54,014.45

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Solution

The fourth proportional to 114,103.49, 170,931.67 and 54,014.45 is: 80,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,103.49 : 170,931.67 = 54,014.45 : x
  2. Step 2: Convert to fraction form
    114,103.49/170,931.67 = 54,014.45/x
  3. Step 3: Cross multiply
    114,103.49x = 170,931.67 × 54,014.45
  4. Step 4: Simplify right side
    114,103.49x = 9,232,779,152.94
  5. Step 5: Solve for x
    x = 9,232,779,152.94/114,103.49
  6. Step 6: Final answer
    x = 80,915.84

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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.