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Finding the Fourth Proportional to 104,901.12, 157,199.04 and 64,834.56

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Solution

The fourth proportional to 104,901.12, 157,199.04 and 64,834.56 is: 97,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,901.12 : 157,199.04 = 64,834.56 : x
  2. Step 2: Convert to fraction form
    104,901.12/157,199.04 = 64,834.56/x
  3. Step 3: Cross multiply
    104,901.12x = 157,199.04 × 64,834.56
  4. Step 4: Simplify right side
    104,901.12x = 10,191,930,590.82
  5. Step 5: Solve for x
    x = 10,191,930,590.82/104,901.12
  6. Step 6: Final answer
    x = 97,157.50

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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.