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Finding the Fourth Proportional to 94,683.60, 142,057.80 and 42,130.80

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Solution

The fourth proportional to 94,683.60, 142,057.80 and 42,130.80 is: 63,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,683.60 : 142,057.80 = 42,130.80 : x
  2. Step 2: Convert to fraction form
    94,683.60/142,057.80 = 42,130.80/x
  3. Step 3: Cross multiply
    94,683.60x = 142,057.80 × 42,130.80
  4. Step 4: Simplify right side
    94,683.60x = 5,985,008,760.24
  5. Step 5: Solve for x
    x = 5,985,008,760.24/94,683.60
  6. Step 6: Final answer
    x = 63,210.62

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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.