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Finding the Fourth Proportional to 94,762.92, 142,119.60 and 28,185.12

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Solution

The fourth proportional to 94,762.92, 142,119.60 and 28,185.12 is: 42,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,762.92 : 142,119.60 = 28,185.12 : x
  2. Step 2: Convert to fraction form
    94,762.92/142,119.60 = 28,185.12/x
  3. Step 3: Cross multiply
    94,762.92x = 142,119.60 × 28,185.12
  4. Step 4: Simplify right side
    94,762.92x = 4,005,657,980.35
  5. Step 5: Solve for x
    x = 4,005,657,980.35/94,762.92
  6. Step 6: Final answer
    x = 42,270.31

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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.