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Finding the Fourth Proportional to 104,005.80, 156,123.90 and 97,237.80

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Solution

The fourth proportional to 104,005.80, 156,123.90 and 97,237.80 is: 145,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.80 : 156,123.90 = 97,237.80 : x
  2. Step 2: Convert to fraction form
    104,005.80/156,123.90 = 97,237.80/x
  3. Step 3: Cross multiply
    104,005.80x = 156,123.90 × 97,237.80
  4. Step 4: Simplify right side
    104,005.80x = 15,181,144,563.42
  5. Step 5: Solve for x
    x = 15,181,144,563.42/104,005.80
  6. Step 6: Final answer
    x = 145,964.40

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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.