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Finding the Fourth Proportional to 173,322.99, 260,001.50 and 72,100.17

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Solution

The fourth proportional to 173,322.99, 260,001.50 and 72,100.17 is: 108,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,322.99 : 260,001.50 = 72,100.17 : x
  2. Step 2: Convert to fraction form
    173,322.99/260,001.50 = 72,100.17/x
  3. Step 3: Cross multiply
    173,322.99x = 260,001.50 × 72,100.17
  4. Step 4: Simplify right side
    173,322.99x = 18,746,151,989.75
  5. Step 5: Solve for x
    x = 18,746,151,989.75/173,322.99
  6. Step 6: Final answer
    x = 108,157.33

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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.