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Finding the Fourth Proportional to 104,713.80, 157,070.70 and 64,855.73

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Solution

The fourth proportional to 104,713.80, 157,070.70 and 64,855.73 is: 97,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.80 : 157,070.70 = 64,855.73 : x
  2. Step 2: Convert to fraction form
    104,713.80/157,070.70 = 64,855.73/x
  3. Step 3: Cross multiply
    104,713.80x = 157,070.70 × 64,855.73
  4. Step 4: Simplify right side
    104,713.80x = 10,186,934,910.11
  5. Step 5: Solve for x
    x = 10,186,934,910.11/104,713.80
  6. Step 6: Final answer
    x = 97,283.60

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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.