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Finding the Fourth Proportional to 93,438.30, 140,157.45 and 93,438.30

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Solution

The fourth proportional to 93,438.30, 140,157.45 and 93,438.30 is: 140,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438.30 : 140,157.45 = 93,438.30 : x
  2. Step 2: Convert to fraction form
    93,438.30/140,157.45 = 93,438.30/x
  3. Step 3: Cross multiply
    93,438.30x = 140,157.45 × 93,438.30
  4. Step 4: Simplify right side
    93,438.30x = 13,096,073,860.34
  5. Step 5: Solve for x
    x = 13,096,073,860.34/93,438.30
  6. Step 6: Final answer
    x = 140,157.45

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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.