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Finding the Fourth Proportional to 94,352.64, 130,206.86 and 51,913.90

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Solution

The fourth proportional to 94,352.64, 130,206.86 and 51,913.90 is: 71,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,352.64 : 130,206.86 = 51,913.90 : x
  2. Step 2: Convert to fraction form
    94,352.64/130,206.86 = 51,913.90/x
  3. Step 3: Cross multiply
    94,352.64x = 130,206.86 × 51,913.90
  4. Step 4: Simplify right side
    94,352.64x = 6,759,545,909.35
  5. Step 5: Solve for x
    x = 6,759,545,909.35/94,352.64
  6. Step 6: Final answer
    x = 71,641.30

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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.