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Finding the Fourth Proportional to 94,959.50, 130,925.48 and 69,445.40

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Solution

The fourth proportional to 94,959.50, 130,925.48 and 69,445.40 is: 95,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,959.50 : 130,925.48 = 69,445.40 : x
  2. Step 2: Convert to fraction form
    94,959.50/130,925.48 = 69,445.40/x
  3. Step 3: Cross multiply
    94,959.50x = 130,925.48 × 69,445.40
  4. Step 4: Simplify right side
    94,959.50x = 9,092,171,326.94
  5. Step 5: Solve for x
    x = 9,092,171,326.94/94,959.50
  6. Step 6: Final answer
    x = 95,747.89

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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.