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Finding the Fourth Proportional to 156,995.90, 235,493.85 and 97,898.30

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Solution

The fourth proportional to 156,995.90, 235,493.85 and 97,898.30 is: 146,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,995.90 : 235,493.85 = 97,898.30 : x
  2. Step 2: Convert to fraction form
    156,995.90/235,493.85 = 97,898.30/x
  3. Step 3: Cross multiply
    156,995.90x = 235,493.85 × 97,898.30
  4. Step 4: Simplify right side
    156,995.90x = 23,054,447,575.46
  5. Step 5: Solve for x
    x = 23,054,447,575.46/156,995.90
  6. Step 6: Final answer
    x = 146,847.45

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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.