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Finding the Fourth Proportional to 94,879.55, 130,928.66 and 52,435.55

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Solution

The fourth proportional to 94,879.55, 130,928.66 and 52,435.55 is: 72,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,879.55 : 130,928.66 = 52,435.55 : x
  2. Step 2: Convert to fraction form
    94,879.55/130,928.66 = 52,435.55/x
  3. Step 3: Cross multiply
    94,879.55x = 130,928.66 × 52,435.55
  4. Step 4: Simplify right side
    94,879.55x = 6,865,315,381.04
  5. Step 5: Solve for x
    x = 6,865,315,381.04/94,879.55
  6. Step 6: Final answer
    x = 72,358.22

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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.