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Finding the Fourth Proportional to 93,991.68, 140,987.52 and 47,211.75

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Solution

The fourth proportional to 93,991.68, 140,987.52 and 47,211.75 is: 70,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,991.68 : 140,987.52 = 47,211.75 : x
  2. Step 2: Convert to fraction form
    93,991.68/140,987.52 = 47,211.75/x
  3. Step 3: Cross multiply
    93,991.68x = 140,987.52 × 47,211.75
  4. Step 4: Simplify right side
    93,991.68x = 6,656,267,547.36
  5. Step 5: Solve for x
    x = 6,656,267,547.36/93,991.68
  6. Step 6: Final answer
    x = 70,817.63

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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.