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Finding the Fourth Proportional to 94,880.88, 142,291.08 and 38,720.88

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Solution

The fourth proportional to 94,880.88, 142,291.08 and 38,720.88 is: 58,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,880.88 : 142,291.08 = 38,720.88 : x
  2. Step 2: Convert to fraction form
    94,880.88/142,291.08 = 38,720.88/x
  3. Step 3: Cross multiply
    94,880.88x = 142,291.08 × 38,720.88
  4. Step 4: Simplify right side
    94,880.88x = 5,509,635,833.75
  5. Step 5: Solve for x
    x = 5,509,635,833.75/94,880.88
  6. Step 6: Final answer
    x = 58,068.98

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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.